How much is a PSA 10 Melmetal GX #SM178?

A PSA 10 Melmetal GX #SM178 from Pokemon Promo is currently priced at $446 based on completed sales tracked on PokeInvest.

Is grading Melmetal GX #SM178 worth it?

With a raw price of $13 and a PSA 10 selling for $446, grading Melmetal GX #SM178 has a potential gross margin of $433 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 Melmetal GX #SM178: what's the price difference?

A PSA 10 Melmetal GX #SM178 sells for about $446 versus about $20 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 22.3x premium based on recent sales tracked on PokeInvest.

What's the raw price of Melmetal GX #SM178?

The raw (ungraded) price of Melmetal GX #SM178 from Pokemon Promo is currently $4, based on live market data tracked daily by PokeInvest.

Home / Promo / SM Black Star Promos / Melmetal GX #SM178

Melmetal GX #SM178

Melmetal GX #SM178 (Promo) sells for about $13.20 ungraded and $446 in PSA 10. PSA has graded 78 copies, 41 of them 10s. Prices are medians of completed sales, updated November 11, 2026.

Pokemon Promo

Recent sales

1 recent sale

1 sale · latest 2 weeks ago

1 sales in the last 90 days · latest 2 weeks ago

$13.20 $13.20

$13.20 2 weeks ago Melmetal GX - SM178 · Near Mint · Holofoil · English

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

Price by grade

0 from real sales · 4 est

Ungraded

Estimated market value

$13.20

Grade	PSA	CGC	BGS	SGC
10	$446.45 est · pop 41	$179.00 est · pop 8	$580.00 est	$268.00 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? 53% of 78 PSA-graded copies came back a 10. Raw $13.20 → PSA 10 $446.45 est. Expected value after PSA's fee ($60): +$167.74 per copy.

We grade it for you, $27 a card → Mail it to us. CGC Authorized Dealer: we check it, submit it and ship the slab back insured. No account, no forms.

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

Sales volume: Average of cards

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$

Promo card

Part of the SM Black Star Promos. See the whole set →

Handed out with Melmetal-GX Box.

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Price History

Raw PSA 10

Graded by

PSA

78

graded

52.6%

41 in PSA 10

CGC

35

graded

25.7%

9 at 10 or better

How CGC grades work

CGC grades above 9: Pristine sits above Gem Mint, Perfect above that.

Pristine 10 1 Gem Mint 10 8 9 9

These are two different pools of submissions, so this compares what each grader did, not what either would do with the same card.

Population Distribution

PSA 10 41

PSA 9 24

PSA 8 8

PSA 7 2

PSA 6 2

PSA 5 0

PSA 4 1

PSA 3 0

PSA 2 0

PSA 1 0

CGC Pristine 10 1

CGC Gem Mint 10 8

CGC 9 9

CGC 8.5 8

CGC 8 2

CGC 7.5 3

CGC 6.5 1

CGC 6 1

CGC 4.5 1

CGC 4 1

35 graded by CGC

Need these prices and population counts in a spreadsheet or app? PokeInvest Data API

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