Wizards Black Star Promos · Pokemon League

Computer Error #16, Pokemon League, Wizards Black Star Promos

Card number: #16
Rarity: Common
Finish: Non-Holo

Wizards Black Star Promos Pokemon LeagueWBP16E:EN

TKRWBP16E:EN-P10

Grading toolPro

TCGBerg fair value· PSA 10

$222

Our estimate of this card's fair value, calculated from recorded sales.

Sales evidenceStrong

30D performance12.6%

30D: ↑ 12.6%
YTD: ↑ 213.8%
Market cap: $169.6K
Volatility: 4.0%

Last sale (Sep 24, 2026)Last sale

$214

PSA 10 · Sep 24, 2026

3.8% below TCGBerg fair value

5-sale avg

$213

last 5 sales

Population · PSA 10

763

graded copies

TCGBerg fair value · PSA 10

$222

30D12.6%YTD213.8%

Sales evidenceStrong

Market cap

$169.6K

fair value x population

Population

763

graded copies

Last sale

$214

-3.8% vs fair

5-sale avg

$213

recent sales

GradingPro

Price history

Open terminalPro

Weekly fair value for PSA 10. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales.

TCGBerg fair value · PSA 10Sale below fairSale above fairOutlier

Oct 12, 202552 weekly points · 48 salesSep 30, 2026

Behind the scenes

What goes into this price, and how much we know.

Recent sales10 tracked

Most recent transactions. From public auction comps and dealer reporting. Showing 10 of 10; delta vs fair value is the difference between the sale price and the grade's quoted fair value on that date.

Date	Grade	Price	Source	vs TCGBerg FV
Sep 24, 2026	PSA10	$214	ebay	5.9%
Sep 23, 2026	PSA8	$30	ebay	5.7%
Sep 16, 2026	PSA9	$45	ebay	1.3%
Sep 6, 2026	PSA9	$45	ebay	0.9%
Sep 6, 2026	PSA9	$38	ebay	16.2%
Aug 31, 2026	PSA10	$225	ebay	9.3%
Aug 28, 2026	PSA10	$225	ebay	13.9%
Aug 18, 2026	PSA9	$45	ebay	3.0%
Aug 12, 2026	PSA10	$199	fanatics_collect	7.3%
Aug 10, 2026	PSA9	$50	ebay	14.7%

$214
Sep 24, 2026 · via ebay
PSA10versus fair value, down 5.9%
$30
Sep 23, 2026 · via ebay
PSA8versus fair value, down 5.7%
$45
Sep 16, 2026 · via ebay
PSA9versus fair value, up 1.3%
$45
Sep 6, 2026 · via ebay
PSA9versus fair value, down 0.9%
$38
Sep 6, 2026 · via ebay
PSA9versus fair value, down 16.2%
$225
Aug 31, 2026 · via ebay
PSA10versus fair value, up 9.3%
$225
Aug 28, 2026 · via ebay
PSA10versus fair value, up 13.9%
$45
Aug 18, 2026 · via ebay
PSA9versus fair value, up 3.0%
$199
Aug 12, 2026 · via fanatics_collect
PSA10versus fair value, up 7.3%
$50
Aug 10, 2026 · via ebay
PSA9versus fair value, up 14.7%

All grades matrix

Every grade we track for this printing. Click any column header to sort; the rightmost column jumps you to listings for that grade.

PSA10$222
1d 1.5%7d 0.9%30d 12.6%
Pop
763
Mcap
$169.6K
Evidence
Strong
Last
$214
PSA9$45
1d 1.2%7d 0.7%30d 0.4%
Pop
851
Mcap
$38.3K
Evidence
Very strong
Last
$45
PSA8$32
1d 0.0%7d 4.0%30d 5.7%
Pop
259
Mcap
$8.2K
Evidence
Moderate
Last
$30


PSA10	$222	763	$169.6K	1.5%	0.9%	12.6%	35.8%	-	Strong	$2146d ago
PSA9	$45	851	$38.3K	1.2%	0.7%	0.4%	29.9%	-	Very strong	$452w ago
PSA8	$32	259	$8.2K	0.0%	4.0%	5.7%	35.5%	-	Moderate	$301w ago
PSA7	$29	44	$1.3K	5.5%	4.9%	1.8%	35.8%	-	Limited	$292mo ago
PSA6	$27	48	$1.3K	8.5%	4.7%	3.8%	52.4%	-	Sparse	$258mo ago

TCGBerg fair value by grade

Value at each grade and ungraded condition, on a log scale that spans the full range from the lowest grade at $27 up to gem-mint at $222. Log scale. Tap a row to switch the whole page.

Population & rarity

1,965 graded copies of Computer Error Pokemon League across 5 grades. The selected grade is highlighted.

PSA 10

763 · 39%

PSA 9

851 · 43%

PSA 8

259 · 13%

PSA 7

44 · 2.2%

PSA 6

48 · 2.4%

PSA 10 makes up 39% of graded copies: 763 of 1,965. PSA 9 is the most common grade (43%).

Relative valuation vs. index

How PSA 10 has moved relative to Wizards Black Star Promos · Composite since May 17, 2026. Both indexed to 100 at the index’s inception. Card outperformed by 42.2 pp.

About Wizards Black Star PromosParent set

This printing in the context of its parent set: total set cap and this printing's share of it.

Browse all sets →

Set total cap

$71.21M

across all printings

This printing's share

0.3%

of total set cap

Implied printing cap

$218.7K

share × set cap

Browse all sets →

Computer Error Pokemon League - Pokemon League at PSA 10 carries a TCGBerg fair value of $222 as of 2026-09-29. We track a TCGBerg fair value across 5 grades from Wizards Black Star Promos, from PSA 6 up to PSA 10. A graded population of 763 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on strong sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 12.6%.

Show more analysisAnalysis, commentary & FAQ

PSA 10 commentary

The TCGBerg fair value of a PSA 10 Computer Error Pokemon League - Pokemon League is $222 as of 2026-09-29. 763 copies have been graded at this level. This valuation rests on strong sales evidence. Over the past 30 days the TCGBerg fair value has risen 12.6%. The most recent recorded sale was $214 on 2026-09-24.

PSA 10 - frequently asked

What is the TCGBerg fair value of a PSA 10 Computer Error Pokemon League - Pokemon League?

$222 as of 2026-09-29, our model-derived fair value for a PSA 10 Computer Error Pokemon League - Pokemon League based on recent graded sales.

How rare is a PSA 10 Computer Error Pokemon League - Pokemon League?

763 copies have been graded at PSA 10, the graded population behind this atom.

How has the PSA 10 Computer Error Pokemon League - Pokemon League price moved recently?

Its TCGBerg fair value has risen 12.6% over the past 30 days.

Frequently asked

What is the TCGBerg fair value of a PSA 10 Computer Error Pokemon League - Pokemon League?: $222 as of 2026-09-29, our model-derived fair value for a PSA 10 Computer Error Pokemon League - Pokemon League based on recent graded sales.
How rare is a PSA 10 Computer Error Pokemon League - Pokemon League?: 763 copies have been graded at PSA 10, the graded population behind this atom.
How has the PSA 10 Computer Error Pokemon League - Pokemon League price moved recently?: Its TCGBerg fair value has risen 12.6% over the past 30 days.

PSA 9 commentary

The TCGBerg fair value of a PSA 9 Computer Error Pokemon League - Pokemon League is $45 as of 2026-09-29. 851 copies have been graded at this level. This valuation rests on very strong sales evidence. Over the past 30 days the TCGBerg fair value has risen 0.4%. The most recent recorded sale was $45 on 2026-09-16.

PSA 9 - frequently asked

What is the TCGBerg fair value of a PSA 9 Computer Error Pokemon League - Pokemon League?

$45 as of 2026-09-29, our model-derived fair value for a PSA 9 Computer Error Pokemon League - Pokemon League based on recent graded sales.

How rare is a PSA 9 Computer Error Pokemon League - Pokemon League?

851 copies have been graded at PSA 9, the graded population behind this atom.

How has the PSA 9 Computer Error Pokemon League - Pokemon League price moved recently?

Its TCGBerg fair value has risen 0.4% over the past 30 days.

Frequently asked

What is the TCGBerg fair value of a PSA 9 Computer Error Pokemon League - Pokemon League?: $45 as of 2026-09-29, our model-derived fair value for a PSA 9 Computer Error Pokemon League - Pokemon League based on recent graded sales.
How rare is a PSA 9 Computer Error Pokemon League - Pokemon League?: 851 copies have been graded at PSA 9, the graded population behind this atom.
How has the PSA 9 Computer Error Pokemon League - Pokemon League price moved recently?: Its TCGBerg fair value has risen 0.4% over the past 30 days.

PSA 8 commentary

The TCGBerg fair value of a PSA 8 Computer Error Pokemon League - Pokemon League is $32 as of 2026-09-29. 259 copies have been graded at this level. This valuation rests on moderate sales evidence. Over the past 30 days the TCGBerg fair value has fallen 5.7%. The most recent recorded sale was $30 on 2026-09-23.

PSA 8 - frequently asked

What is the TCGBerg fair value of a PSA 8 Computer Error Pokemon League - Pokemon League?

$32 as of 2026-09-29, our model-derived fair value for a PSA 8 Computer Error Pokemon League - Pokemon League based on recent graded sales.

How rare is a PSA 8 Computer Error Pokemon League - Pokemon League?

259 copies have been graded at PSA 8, the graded population behind this atom.

How has the PSA 8 Computer Error Pokemon League - Pokemon League price moved recently?

Its TCGBerg fair value has fallen 5.7% over the past 30 days.

Frequently asked

What is the TCGBerg fair value of a PSA 8 Computer Error Pokemon League - Pokemon League?: $32 as of 2026-09-29, our model-derived fair value for a PSA 8 Computer Error Pokemon League - Pokemon League based on recent graded sales.
How rare is a PSA 8 Computer Error Pokemon League - Pokemon League?: 259 copies have been graded at PSA 8, the graded population behind this atom.
How has the PSA 8 Computer Error Pokemon League - Pokemon League price moved recently?: Its TCGBerg fair value has fallen 5.7% over the past 30 days.

PSA 7 commentary

The TCGBerg fair value of a PSA 7 Computer Error Pokemon League - Pokemon League is $29 as of 2026-09-29. 44 copies have been graded at this level. This valuation rests on limited sales evidence. Over the past 30 days the TCGBerg fair value has risen 1.8%. The most recent recorded sale was $29 on 2026-08-02.

PSA 7 - frequently asked

What is the TCGBerg fair value of a PSA 7 Computer Error Pokemon League - Pokemon League?

$29 as of 2026-09-29, our model-derived fair value for a PSA 7 Computer Error Pokemon League - Pokemon League based on recent graded sales.

How rare is a PSA 7 Computer Error Pokemon League - Pokemon League?

44 copies have been graded at PSA 7, the graded population behind this atom.

How has the PSA 7 Computer Error Pokemon League - Pokemon League price moved recently?

Its TCGBerg fair value has risen 1.8% over the past 30 days.

Frequently asked

What is the TCGBerg fair value of a PSA 7 Computer Error Pokemon League - Pokemon League?: $29 as of 2026-09-29, our model-derived fair value for a PSA 7 Computer Error Pokemon League - Pokemon League based on recent graded sales.
How rare is a PSA 7 Computer Error Pokemon League - Pokemon League?: 44 copies have been graded at PSA 7, the graded population behind this atom.
How has the PSA 7 Computer Error Pokemon League - Pokemon League price moved recently?: Its TCGBerg fair value has risen 1.8% over the past 30 days.

PSA 6 commentary

The TCGBerg fair value of a PSA 6 Computer Error Pokemon League - Pokemon League is $27 as of 2026-09-29. 48 copies have been graded at this level. This valuation rests on sparse sales evidence. Over the past 30 days the TCGBerg fair value has risen 3.8%. The most recent recorded sale was $25 on 2026-01-26.

PSA 6 - frequently asked

What is the TCGBerg fair value of a PSA 6 Computer Error Pokemon League - Pokemon League?

$27 as of 2026-09-29, our model-derived fair value for a PSA 6 Computer Error Pokemon League - Pokemon League based on recent graded sales.

How rare is a PSA 6 Computer Error Pokemon League - Pokemon League?

48 copies have been graded at PSA 6, the graded population behind this atom.

How has the PSA 6 Computer Error Pokemon League - Pokemon League price moved recently?

Its TCGBerg fair value has risen 3.8% over the past 30 days.

Frequently asked

What is the TCGBerg fair value of a PSA 6 Computer Error Pokemon League - Pokemon League?: $27 as of 2026-09-29, our model-derived fair value for a PSA 6 Computer Error Pokemon League - Pokemon League based on recent graded sales.
How rare is a PSA 6 Computer Error Pokemon League - Pokemon League?: 48 copies have been graded at PSA 6, the graded population behind this atom.
How has the PSA 6 Computer Error Pokemon League - Pokemon League price moved recently?: Its TCGBerg fair value has risen 3.8% over the past 30 days.

Every printing of Computer Error and the indices that include this card in their constituent basket.

Printings of Computer Error

Other

Pokemon LeagueviewingComputer Error Pokemon League - Pokemon League

Finishes

NormalComputer Error - Normal

Indices containing this card

Parent set

Wizards Black Star Promos

Set total cap

$69.37M

Date

Grade

Price

Source

vs TCGBerg FV

Sep 24, 2026

PSA10

$214

ebay

5.9%

Sep 23, 2026

PSA8

$30

ebay

5.7%

Sep 16, 2026

PSA9

$45

ebay

1.3%

Sep 6, 2026

PSA9

$45

ebay

0.9%

Sep 6, 2026

PSA9

$38

ebay

16.2%

Aug 31, 2026

PSA10

$225

ebay

9.3%

Aug 28, 2026

PSA10

$225

ebay

13.9%

Aug 18, 2026

PSA9

$45

ebay

3.0%

Aug 12, 2026

PSA10

$199

fanatics_collect

7.3%

Aug 10, 2026

PSA9

$50

ebay

14.7%

PSA10

$222

763

$169.6K

1.5%

0.9%

12.6%

Strong

$2146d ago

PSA9

$45

851

$38.3K

1.2%

0.7%

0.4%

Very strong

$452w ago

PSA8

$32

259

$8.2K

0.0%

4.0%

5.7%

Moderate

$301w ago

PSA7

$29

$1.3K

5.5%

4.9%

1.8%

Limited

$292mo ago

PSA6

$27

$1.3K

8.5%

4.7%

3.8%

Sparse

$258mo ago

Computer Error #16, Pokemon League, Wizards Black Star Promos

Behind the scenesHow the published fair value for this grade was produced: the estimates that fed it, their share of the starting mix, and every recorded change afterwards. It describes one saved calculation, not a live recomputation.

Recent sales10 tracked

All grades matrix

Population & rarityHow Computer Error's graded copies are spread across grades. Each bar is the number of copies graded at that grade; the percentage is that grade's share of the total graded population. Fewer copies at a grade = scarcer = a scarcity premium.

Relative valuation vs. indexBoth series are indexed to 100 at May 17, 2026, the index’s inception date, not the start of the selected range. A divergence means the card has outperformed or underperformed the index since then, by exactly the percentage-point gap.

About Wizards Black Star PromosParent set

Analysis

PSA 10 commentary

PSA 10 - frequently asked

PSA 9 commentary

PSA 9 - frequently asked

PSA 8 commentary

PSA 8 - frequently asked

PSA 7 commentary

PSA 7 - frequently asked

PSA 6 commentary

PSA 6 - frequently asked

Related

Printings of Computer Error

Indices containing this card

Parent set

Behind the scenesHow the published fair value for this grade was produced: the estimates that fed it, their share of the starting mix, and every recorded change afterwards. It describes one saved calculation, not a live recomputation.

Recent sales10 tracked

All grades matrix

Population & rarityHow Computer Error's graded copies are spread across grades. Each bar is the number of copies graded at that grade; the percentage is that grade's share of the total graded population. Fewer copies at a grade = scarcer = a scarcity premium.

Relative valuation vs. indexBoth series are indexed to 100 at May 17, 2026, the index’s inception date, not the start of the selected range. A divergence means the card has outperformed or underperformed the index since then, by exactly the percentage-point gap.

About Wizards Black Star PromosParent set

Analysis

PSA 10 commentary

PSA 10 - frequently asked

PSA 9 commentary

PSA 9 - frequently asked

PSA 8 commentary

PSA 8 - frequently asked

PSA 7 commentary

PSA 7 - frequently asked

PSA 6 commentary

PSA 6 - frequently asked

Related

Printings of Computer Error

Indices containing this card

Parent set

Behind the scenes

Population & rarity

Relative valuation vs. index

Behind the scenes

Population & rarity

Relative valuation vs. index