How much is a PSA 10 Cosmog #SM42?

A PSA 10 Cosmog #SM42 from Pokemon Promo is currently priced at $31 based on completed sales tracked on PokeInvest.

Is grading Cosmog #SM42 worth it?

With a raw price of $0 and a PSA 10 selling for $31, grading Cosmog #SM42 has a potential gross margin of $31 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 Cosmog #SM42: what's the price difference?

A PSA 10 Cosmog #SM42 sells for about $31 versus about $12 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 2.5x premium based on recent sales tracked on PokeInvest.

What's the raw price of Cosmog #SM42?

The raw (ungraded) price of Cosmog #SM42 from Pokemon Promo is currently $1, based on live market data tracked daily by PokeInvest.

Cosmog #SM42

Cosmog #SM42 (Promo) sells for about $0.49 ungraded and $31 in PSA 10. PSA has graded 44 copies, 7 of them 10s. Prices are medians of completed sales, updated November 11, 2026.

Pokemon Promo

Market price

$0.49

19 sales · latest 3 days ago

Sales we held out are listed below, not counted here.

19 sold in 46 days · latest 3 days ago

$0.25 $0.99

Every sale is a completed listing. Click any line to open it.

Price by grade

1 from real sales · 4 est

Grade	PSA	CGC	BGS	SGC
10	$31.21 est · pop 7	$12.00 est · pop 3	$41.00 est	$19.00 est

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? 16% of 44 PSA-graded copies came back a 10. Raw $0.49 → PSA 10 $31.21 est. Expected value after PSA's fee ($60): $-55.10 per copy.

Run the full math → Is yours a 10? Pre-grade it, $3 or we grade it for you, $27

Sales volume: Top 20% of cards

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