How much is a PSA 10 Mamoswine [1st Edition] #21?

A PSA 10 Mamoswine [1st Edition] #21 from Pokemon Japanese Clash at the Summit is currently priced at $152 based on completed sales tracked on PokeInvest.

Is grading Mamoswine [1st Edition] #21 worth it?

With a raw price of $6 and a PSA 10 selling for $152, grading Mamoswine [1st Edition] #21 has a potential gross margin of $146 before PSA fees (from $59.99 a card, more for higher declared values). Use the PokeInvest PSA Calculator for a full ROI breakdown.

PSA 9 vs PSA 10 Mamoswine [1st Edition] #21: what's the price difference?

A PSA 10 Mamoswine [1st Edition] #21 sells for about $152 versus about $35 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 4.3x premium based on recent sales tracked on PokeInvest.

What's the raw price of Mamoswine [1st Edition] #21?

The raw (ungraded) price of Mamoswine [1st Edition] #21 from Pokemon Japanese Clash at the Summit is currently $6, based on live market data tracked daily by PokeInvest.

Home / Japanese Clash at the Summit / Mamoswine [1st Edition] #21

Mamoswine [1st Edition] #21

Pokemon Japanese Clash at the Summit

Ungraded

2 recent sales

2 sales

2 sold in 72 days · latest 2 weeks ago

$5.98 $7.98

$5.98 2 weeks ago Mamoswine 021/080 Clash at the Summit 1st Edition Holo Japanese Pokemon TCG MP- Japanese 021/080 $7.98 2 months ago Mamoswine 021/080 Clash at the Summit 1st Edition Japanese Pokemon TCG NM/LP Japanese 021/080

Also held for this card: 2 CGC 10, 4 PSA 10, 1 PSA 9. Priced separately, never mixed into this median.

Too few recent sales to price from, so the figure above is an estimate.

Price by grade

2 from real sales · 2 est

Ungraded

Estimated market value

$5.98

Grade	PSA	CGC	BGS	SGC
10 Pristine	—		—	—
10			$188.00 est	$87.00 est
9.5	—		—	—
9		—	—	—
8		—	—	—

Medians of completed sales — click one to see them. Arrows compare the last 90 days with the period before. last sold means one or two sales, so we show the most recent one rather than a median. est is an estimate we have not confirmed. pop is how many exist at that grade. How we price

Grade it? 63% of 102 PSA-graded copies came back a 10. Raw $5.98 → PSA 10 $152.25. Expected value after a $60 fee: +$42.60 per copy.

Run the full math → Is yours a 10? Pre-grade it, $3

Sales volume: Average of cards