How much is a PSA 10 Mewtwo & Mew GX #SM191?

A PSA 10 Mewtwo & Mew GX #SM191 from Pokemon Promo is currently priced at $1587 based on completed sales tracked on PokeInvest.

Is grading Mewtwo & Mew GX #SM191 worth it?

With a raw price of $242 and a PSA 10 selling for $1587, grading Mewtwo & Mew GX #SM191 has a potential gross margin of $1344 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 Mewtwo & Mew GX #SM191: what's the price difference?

A PSA 10 Mewtwo & Mew GX #SM191 sells for about $1587 versus about $465 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 3.4x premium based on recent sales tracked on PokeInvest.

What's the raw price of Mewtwo & Mew GX #SM191?

The raw (ungraded) price of Mewtwo & Mew GX #SM191 from Pokemon Promo is currently $310, based on live market data tracked daily by PokeInvest.

Mewtwo & Mew GX #SM191

Mewtwo & Mew GX #SM191 (Promo) sells for about $242.50 ungraded and $1,587 in PSA 10. PSA has graded 19,685 copies, 9,827 of them 10s. Prices are medians of completed sales, updated November 11, 2026.

Pokemon Promo

Market price

$242.50

16 sales · latest 6 days ago

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

16 sold in 43 days · latest 6 days ago

$85.07 $399.95

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	$1,587 est · pop 9,827	$1,016 est · pop 513	$3,358 est	$460.04 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? 50% of 19,685 PSA-graded copies came back a 10. Raw $242.50 → PSA 10 $1,587 est. Expected value after PSA's fee ($60, or $199 if it gems): +$541.81 per copy.

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

Sales volume: Top 10% of cards

Get an email when the price moves

One email when it hits your price, with the cheapest copy on eBay. No account needed.