Gym Challenge · Normal

Koga's Koffing #48, Normal, Gym Challenge

TKRGYMU48:EN-P10

Updated today

TCGBerg fair value· PSA 10

$63

Our estimate of a fair value of this card based on our proprietary pricing algorithm and recent verified sales.

Data quality weak24/100

30D performance0.0%

30D· 0.0%

YTD↑ 0.1%

MCAP$633

VOL0.0%

Last sale

$500

PSA 10 · Jan 3, 2026

690.3% above TCGBerg fair value

5-sale avg

$138

last 5 sales

Population · PSA 10

graded copies

Price history

Showing 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

Jun 29, 202552 weekly points · 3 salesJun 17, 2026

Price spectrum

No price-spectrum data for this grade yet.

TCGBerg fair value by grade

Implied fair value at each grade, on a log scale that spans the full range from raw (Near Mint) at $2 up to gem-mint at $63.

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	$63	10	$633	0.0%	0.0%	0.0%	0.0%	—	24	$5006mo ago
PSA9	$20	8	$160	0.0%	0.0%	0.0%	0.0%	—	32	$202y ago
PSA8	$15	11	$160	0.0%	0.0%	0.0%	0.0%	—	38	$1710mo ago
PSA7	$10	1	$10	0.0%	0.0%	0.0%	0.0%	—	32	$101y ago
Raw	$2	—	—	—	—	—	—	—	—	—

Active listings on eBay

No active listings tracked for this printing yet.

About Gym Challenge

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

$61.22M

across all printings

This printing's share

0.0%

of total set cap

Implied printing cap

$962

share × set cap

Recent sales

Most recent transactions from public auction comps and dealer reporting. Showing 3 of 3; 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
Jan 3, 2026	PSA10	$500	ebay	690.3%
Sep 30, 2025	PSA10	$85	ebay	34.3%
Jun 24, 2025	PSA10	$45	ebay	28.9%

Jan 3, 2026PSA10
$500690.3%
via ebay
Sep 30, 2025PSA10
$8534.3%
via ebay
Jun 24, 2025PSA10
$4528.9%
via ebay

Population & rarity

30 graded copies of Koga's Koffing Normal across 4 grades. The selected grade is highlighted.

PSA 10

10 · 33%

PSA 9

8 · 27%

PSA 8

11 · 37%

PSA 7

1 · 3.3%

PSA 10 makes up 33% of graded copies: 10 of 30. PSA 8 is the most common grade (37%).

Relative valuation vs. index

How PSA 10 has moved relative to Gym Challenge · Normal · Composite since May 10, 2026. Both indexed to 100 at the index’s inception. Card underperformed by 10.5 pp.

Analysis

Koga's Koffing - Normal at PSA 10 carries a TCGBerg fair value of $63 as of 2026-06-17. We track a TCGBerg fair value across 4 grades from Gym Challenge, from PSA 7 up to PSA 10. A graded population of 10 copies sits behind the PSA 10 grade. The PSA 10 valuation carries low confidence (a confidence score of 24).

Show more analysis

PSA 10 commentary

The TCGBerg fair value of a PSA 10 Koga's Koffing - Normal is $63 as of 2026-06-17. 10 copies have been graded at this level. This valuation carries low confidence (a confidence score of 24). The most recent recorded sale was $500 on 2026-01-03.

PSA 10 — frequently asked

What is the TCGBerg fair value of a PSA 10 Koga's Koffing - Normal?

$63 as of 2026-06-17, our model-derived fair value for a PSA 10 Koga's Koffing - Normal based on recent graded sales.

How rare is a PSA 10 Koga's Koffing - Normal?

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

PSA 9 commentary

The TCGBerg fair value of a PSA 9 Koga's Koffing - Normal is $20 as of 2026-06-17. 8 copies have been graded at this level. This valuation carries low confidence (a confidence score of 32). The most recent recorded sale was $20 on 2024-10-27.

PSA 9 — frequently asked

What is the TCGBerg fair value of a PSA 9 Koga's Koffing - Normal?

$20 as of 2026-06-17, our model-derived fair value for a PSA 9 Koga's Koffing - Normal based on recent graded sales.

How rare is a PSA 9 Koga's Koffing - Normal?

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

PSA 8 commentary

The TCGBerg fair value of a PSA 8 Koga's Koffing - Normal is $15 as of 2026-06-17. 11 copies have been graded at this level. This valuation carries low confidence (a confidence score of 38). The most recent recorded sale was $17 on 2025-08-31.

PSA 8 — frequently asked

What is the TCGBerg fair value of a PSA 8 Koga's Koffing - Normal?

$15 as of 2026-06-17, our model-derived fair value for a PSA 8 Koga's Koffing - Normal based on recent graded sales.

How rare is a PSA 8 Koga's Koffing - Normal?

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

PSA 7 commentary

The TCGBerg fair value of a PSA 7 Koga's Koffing - Normal is $10 as of 2026-06-17. 1 copies have been graded at this level. This valuation carries low confidence (a confidence score of 32). The most recent recorded sale was $10 on 2025-03-23.

PSA 7 — frequently asked

What is the TCGBerg fair value of a PSA 7 Koga's Koffing - Normal?

$10 as of 2026-06-17, our model-derived fair value for a PSA 7 Koga's Koffing - Normal based on recent graded sales.

How rare is a PSA 7 Koga's Koffing - Normal?

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

Other printings of Koga's Koffing and indices that include this card in their constituent basket.

Other printings of Koga's Koffing

Koga's Koffing - 1st Edition Normal$153

Koga's Koffing #48, Normal, Gym Challenge

Price history

Price spectrum

TCGBerg fair value by grade

All grades matrix

Active listings on eBay

About Gym Challenge

Recent sales

Population & rarity

Relative valuation vs. index

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

Other printings of Koga's Koffing

Indices containing this card

Parent set

Koga's Koffing #48, Normal, Gym Challenge

Price spectrum

TCGBerg fair value by gradeSide-by-side comparison of fair value across every grade we track for this printing. The bar chart uses a log scale so raw and gem-mint fit on one axis.

All grades matrix

Active listings on eBayLive asking prices from eBay sellers. The delta shows how each ask compares to TCGBerg's quoted fair value for that grade. Verified deals are marked from the published analytics feed.

About Gym Challenge

Recent sales

Population & rarityHow Koga's Koffing'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 10, 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.

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

Related

Other printings of Koga's Koffing

Indices containing this card

Parent set

TCGBerg fair value by grade

Active listings on eBay

Population & rarity

Relative valuation vs. index