Serperior #BW20, Normal, BW Black Star Promos
- Card number: #BW20
- Rarity: Rare
- Finish: Non-Holo
A PSA 6 Serperior #BW20 Normal from BW Black Star Promos has a TCGBerg fair value of $38 as of Nov 14, 2026. TCGBerg has recorded 3 PSA 6 sales of this card, the latest on Oct 25, 2026. PSA has graded 8 copies at PSA 6.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 6
- 8
- Market cap
- $302
- Volatility
- 13.2%
- YTD
- ↑ 357.1%
- Sales evidence
- Strong
TCGBerg fair value · PSA 6
$38
Price history
Weekly fair value for PSA 6. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales.
What the evidence says
The last PSA 6 sale, $46 on Oct 25, 2026, sits 22.0% above the $38 fair value. The value weighs 3 PSA 6 sales from the past year, not the latest one alone. The latest sale ran above the recent run: the last 3 PSA 6 sales averaged $34, within 10.2% of the value. Its confidence band runs from $37 to $39. A PSA 10 ($2,021) is worth 10.0 times a PSA 9 ($202). Over the past 30 days the PSA 6 value has fallen 28.6%.
TCGBerg fair value by grade
Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
Behind the scenes
What goes into this price, and how much we know.
Recent sales
9 trackedEach sale against the grade's fair value on the day it sold.
- $22Oct 28, 2026 · via eBaybelow fair value by 30.7%
- $46Oct 25, 2026 · via eBayabove fair value by 7.9%
- $42Oct 25, 2026 · via eBaybelow fair value by 1.5%
- $100Oct 13, 2026 · via eBayabove fair value by 97.8%
- $40Oct 13, 2026 · via eBaybelow fair value by 20.9%
4 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
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.
- $2,0211d 0.0%7d 0.0%30d 2.1%
- Pop
- 1
- Mcap
- $2.0K
- Evidence
- Sparse
- Last
- -
- $2021d 0.0%7d 0.0%30d 2.5%
- Pop
- 7
- Mcap
- $1.4K
- Evidence
- Sparse
- Last
- $317
- $611d 0.0%7d 0.2%30d 12.6%
- Pop
- 9
- Mcap
- $547
- Evidence
- Sparse
- Last
- $45
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| $2,021 | 1 | $2.0K | 0.0% | 0.0% | down 2.1% | up 159.4% | Sparse | - | ||
| $202 | 7 | $1.4K | 0.0% | 0.0% | down 2.5% | up 88.0% | Sparse | $3171mo ago | ||
| $61 | 9 | $547 | 0.0% | up 0.2% | up 12.6% | up 41.1% | Sparse | $451mo ago | ||
| $51 | 5 | $257 | 0.0% | 0.0% | down 2.8% | up 173.8% | Sparse | - | ||
| $38 | 8 | $302 | 0.0% | up 0.1% | down 28.6% | up 175.7% | Strong | $463w ago | ||
| $31 | 5 | - | 0.0% | 0.0% | down 41.2% | up 133.0% | Sparse | $222w ago |
PSA population report
35 graded copies of Serperior Normal across 6 grades. The selected grade is highlighted.
PSA 6 makes up 23% of graded copies: 8 of 35. PSA 8 is the most common grade (26%).
Analysis
Serperior - Normal at PSA 10 carries a TCGBerg fair value of $2,021 as of 2026-11-14. We track a TCGBerg fair value across 6 grades from BW Black Star Promos, from PSA 5 up to PSA 10. A graded population of 1 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on sparse sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 2.1%.