Cool Porygon P: Old Back (PROMO No.137) Japanese Price Guide
Last sale in Japan
PSA 10¥120,000on Oct 6, 2026
| Grade | Last sale | Change | 1-year range | Sales, 30 days |
|---|---|---|---|---|
| PSA 10 | ¥120,000Oct 6, 2026 | ▼ 14%since Aug 9, 2026 | ¥120,000 – ¥140,000 | — |
| PSA 9 | ¥19,800Aug 24, 2026 | — | — | — |
| Raw | ¥23,000Oct 2, 2026 | ▼ 45%since Jun 7, 2026 | ¥23,000 – ¥42,000 | — |
Price trend
Not enough sales in this period to draw a line.
Not enough sales in this period to draw a line.
Not enough sales in this period to draw a line.
Not enough sales in this period to draw a line.
Sales in Japan, in yen.
Recent sales in Japan
| Date | PSA 10 price | Sales |
|---|---|---|
| Oct 6, 2026 | ¥120,000 | 1 |
| Oct 3, 2026 | ¥128,000 | 1 |
| Aug 9, 2026 | ¥140,000 | 1 |
| Date | PSA 9 price | Sales |
|---|---|---|
| Aug 24, 2026 | ¥19,800 | 1 |
| Date | Raw price | Sales |
|---|---|---|
| Oct 2, 2026 | ¥23,000 | 1 |
| Jun 7, 2026 | ¥42,000 | 1 |
Card details
- Card number
- P-137
- Language
- Japanese
More prices from Challenge from the Darkness
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Snorlax U: Old Back (PMCG-Blue No.143)PSA 10 ¥1,800,000 ▲ 20%
Flying Pikachu : Old Back (PMCG-P)PSA 10 ¥1,150,000 ▼ 15%
Flying Pikachu : Old Back (PMCG-P)PSA 10 ¥1,000,000 ▲ 26%
Slowking : Old Back (PMCG-P No.199)PSA 10 ¥640,000 ▼ 7.2%
Dragonite : Old Back (PMCG-P)PSA 10 ¥512,500 ▼ 21%
Lt. Surge's Pikachu LV.10 : Old Back (PMCG-G1 No.025)PSA 10 ¥420,000 ▼ 20%
Articuno : Old Back (PMCG-P)PSA 10 ¥400,000 ▼ 11%
Gourmet Snorlax : Old Back (PMCG-P)PSA 10 ¥388,888 ▲ 1.2%
Misty's Gyarados : Old Back (PMCG-G1 No.130)PSA 10 ¥335,000 ▲ 12%
Zapdos : Old Back (PMCG-P)PSA 10 ¥260,000 ▲ 18%
Haunter LV.25 : Old Back (PMCG-Green No.093)PSA 10 ¥218,000 ▲ 38%
Lt. Surge's Jolteon : Old Back (PMCG-G1 No.135)PSA 10 ¥178,000
In stock from this set
See all- Wartortle : Old BackSouthern Island movie release commemoration
- Ivysaur : Old BackSouthern Island movie release commemoration
- Giovanni's Machamp R: Old BackChallenge from the DarknessPSA 10US$85540PSA 9Not offered
- Team Rocket's Moltres R: Old BackLeaders Stadium
- Giovanni's Nidoking R: Old BackChallenge from the DarknessPSA 10US$87523PSA 9Not offered
- Slowking : Old BackSouthern Island movie release commemorationPSA 10Not offeredPSA 9US$75626
- Lt. Surge's Raichu R: Old BackChallenge from the Darkness
- Giovanni'sPersian R: Old BackChallenge from the Darkness
Questions
What is Cool Porygon P: Old Back (PROMO No.137) worth in Japan?
The table at the top gives the last sale in Japan for each grade, with its date. The trend and the sales list below show how it moved.
Where do these prices come from?
They are the average price of completed sales in Japan for each grade on each date. On a date with no matched sale, the market’s own price for that date is used.
Can I buy it from MintBoon?
When a grade is in stock, it is listed under Buy from Japan with its price. Every order ships from Japan, tracked.
What does Raw mean here?
Raw is an ungraded card in near-mint condition. PSA 10 and PSA 9 are cards graded by PSA and sealed in a PSA slab.