Japanese Game Boy Promos — every card, ranked by upside
Every Japanese Game Boy Promos card, all printings ranked together — 7 cards in total, priced raw and at PSA 7, 8, 9 and 10, and sorted by what a raw copy could be worth in a PSA 10 once you pay to grade it. The printing is named on every row, because on these sets it is most of what a card is worth. 7 carry a rank.
Prices: PriceCharting sold-comp data, November 5, 2026 — refreshed monthly. The cost basis includes $59.99 to grade (PSA Standard, the cheapest tier you can buy). Populations are PSA-graded copies only — CGC is excluded so every share has one denominator.
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The Ranking
Jump to a card all 7 listed
Lugia — Game Boy Japanese Game Boy Promos
PSA 7no PSA census published for this printing−$7loss5 sales
PSA 8no PSA census published for this printing+$469profit5 sales
PSA 9no PSA census published for this printing+$1,341profit5 sales
PSA 10no PSA census published for this printing+$6,517profit5 sales
CGC 103 recorded sales on PriceCharting−$223loss3 sales
CGC 10 (Pristine)2 recorded sales on PriceCharting+$993profit2 sales
CGC 91 recorded sale on PriceCharting+$170profit1 sale
- 27 Aug 26eBay · sold$1,240.00listing
Raw copies cost $1,009.55 and a PSA 10 has sold for $7,586.60 — +$6,517 over the cost of buying one raw and grading it. A PSA 7 loses money (−$7); the 9 is where it turns (+$1,341). PriceCharting records no PSA census for this printing, so there are no odds to quote — the figure above comes from its sold-comp data alone.
Meowth — Game Boy Promo Japanese Game Boy Promos
PSA 7no PSA census published for this printing+$148profit2 sales
PSA 10no PSA census published for this printing+$4,852profit2 sales
CGC 8.51 recorded sale on PriceCharting+$306profit1 sale
- 8 Apr 26eBay · sold$403.68listing
CGC 7.51 recorded sale on PriceCharting+$77profit1 sale
- 25 May 26eBay · sold$175.00listing
Raw copies cost $37.86 and a PSA 10 has sold for $4,950.00 — +$4,852 over the cost of buying one raw and grading it. A PSA 7 loses money (+$148); the 9 is where it turns (+$0). PriceCharting records no PSA census for this printing, so there are no odds to quote — the figure above comes from its sold-comp data alone.
Mewtwo — Game Boy Japanese Game Boy Promos
PSA 7no PSA census published for this printing+$90profit5 sales
PSA 8no PSA census published for this printing+$235profit5 sales
PSA 9no PSA census published for this printing+$859profit5 sales
PSA 10no PSA census published for this printing+$4,795profit5 sales
CGC 101 recorded sale on PriceCharting−$606loss1 sale
- 27 Jul 24eBay · sold$314.00listing
Raw copies cost $860.00 and a PSA 10 has sold for $5,715.00 — +$4,795 over the cost of buying one raw and grading it. A PSA 7 already clears the fee (+$90), so the downside is limited to what the raw copy cost. PriceCharting records no PSA census for this printing, so there are no odds to quote — the figure above comes from its sold-comp data alone.
Dragonite — Japanese Game Boy Promos
PSA 7no PSA census published for this printing−$46loss5 sales
PSA 8no PSA census published for this printing+$85profit5 sales
PSA 9no PSA census published for this printing+$365profit5 sales
PSA 10no PSA census published for this printing+$2,703profit5 sales
CGC 1021 recorded sales on PriceCharting+$937profit5 sales
CGC 10 (Pristine)4 recorded sales on PriceCharting+$1,479profit4 sales
CGC 9.511 recorded sales on PriceCharting+$361profit5 sales
CGC 92 recorded sales on PriceCharting+$211profit2 sales
CGC 8.53 recorded sales on PriceCharting+$60profit3 sales
CGC 82 recorded sales on PriceCharting−$87loss2 sales
Raw copies cost $361.47 and a PSA 10 has sold for $3,124.42 — +$2,703 over the cost of buying one raw and grading it. A PSA 7 loses money (−$46); the 9 is where it turns (+$365). PriceCharting records no PSA census for this printing, so there are no odds to quote — the figure above comes from its sold-comp data alone.
Dark Venusaur — Trainers Magazine Japanese Game Boy Promos
PSA 9no PSA census published for this printing+$168profit3 sales
PSA 10no PSA census published for this printing+$2,118profit1 sale
- 11 Aug 26eBay · sold$2,750.00listing
CGC 101 recorded sale on PriceCharting−$54loss1 sale
- 11 Jul 26eBay · sold$578.08listing
CGC 9.51 recorded sale on PriceCharting+$353profit1 sale
- 27 Jun 26eBay · sold$985.00listing
CGC 91 recorded sale on PriceCharting+$168profit1 sale
- 26 Jul 26eBay · sold$800.00listing
Raw copies cost $572.30 and a PSA 10 has sold for $2,750.00 — +$2,118 over the cost of buying one raw and grading it. The 9 clears the fee (+$168) but the 8 does not. PriceCharting records no PSA census for this printing, so there are no odds to quote — the figure above comes from its sold-comp data alone.
Venusaur — GB Game Boy Japanese Game Boy Promos
PSA 7no PSA census published for this printing−$49loss5 sales
PSA 8no PSA census published for this printing+$32profit5 sales
PSA 9no PSA census published for this printing+$245profit5 sales
PSA 10no PSA census published for this printing+$1,809profit5 sales
CGC 109 recorded sales on PriceCharting+$383profit5 sales
CGC 10 (Pristine)1 recorded sale on PriceCharting+$2,155profit1 sale
- 26 Jun 26eBay · sold$2,398.00listing
CGC 9.51 recorded sale on PriceCharting+$157profit1 sale
- 13 May 26eBay · sold$399.99listing
CGC 92 recorded sales on PriceCharting+$47profit2 sales
CGC 8.51 recorded sale on PriceCharting−$108loss1 sale
- 26 May 25eBay · sold$135.00listing
CGC 81 recorded sale on PriceCharting−$123loss1 sale
- 17 Jun 25eBay · sold$120.00listing
CGC 7.51 recorded sale on PriceCharting−$93loss1 sale
- 1 Jul 26eBay · sold$150.00listing
Raw copies cost $182.80 and a PSA 10 has sold for $2,051.52 — +$1,809 over the cost of buying one raw and grading it. A PSA 7 loses money (−$49); the 9 is where it turns (+$245). PriceCharting records no PSA census for this printing, so there are no odds to quote — the figure above comes from its sold-comp data alone.
Dark Ivysaur — Gameboy Japanese Game Boy Promos
PSA 7no PSA census published for this printing−$99loss2 sales
PSA 8no PSA census published for this printing−$140loss4 sales
PSA 9no PSA census published for this printing−$4loss5 sales
PSA 10no PSA census published for this printing+$473profit5 sales
Raw copies cost $189.00 and a PSA 10 has sold for $722.34 — +$473 over the cost of buying one raw and grading it. Every grade below a 10 loses money at today's prices (−$99 at a 7, −$140 at an 8, −$4 at a 9), so the whole case rests on the gem. PriceCharting records no PSA census for this printing, so there are no odds to quote — the figure above comes from its sold-comp data alone.
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How to read this list — and why I built it this way
The ranking is by potential value — a card’s PSA 10 price minus what it costs to buy it raw and grade it. That is the size of the best-case prize, and it is deliberately simple. Set a price range and the list re-reads for your budget, so you are comparing the cards you could actually buy against each other instead of against the biggest card in the era.
Then read the odds. Every card shows its real chance of each grade, drawn from its own population rather than a rule of thumb, beside the profit at that grade. They will not sum to 100%: the rest of a card’s graded population sits at grade 6 or below, and that line is shown too, because a card that often lands there is a different proposition from one that does not. Read the two together — a large prize with poor odds is a lottery ticket, a smaller prize with good odds is a decision. Judging population and price side by side, on the cards your budget actually reaches, is how you work out what is worth chasing and what you want to collect.
Why potential value, and not a single blended return figure. A blended number hides both the size of the prize and the risk in it, so every card shows the odds of each grade right beside the profit at that grade, and you weigh the prize against the likelihood yourself. The population basis is PSA only for the same reason: one denominator, measured the same way on every card. CGC and BGS figures are real, but mixing three grading companies into one share makes the odds mean less. Shipping and insurance are excluded from the cost basis on purpose — they vary by where you live and how many cards you send, and consistency matters more here than completeness.
There is one catch, and it is the whole game: condition. To use this list well you have to be able to look at a raw card and estimate, roughly, what it would grade — and understand why graders penalize what they penalize. A card bought at a PSA 9 price in PSA 6 condition is a loss no matter how good its rank looks here. If that skill is new to you, the grading ROI guide covers the cost math and the pre-screen check; a dedicated condition guide is coming.
This is my perspective as a collector, not a promise of returns. Every figure on the page is a decision input, not a forecast.
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