Graded Market · 55 completed sales
Blastoise graded prices.
As of August 21, 2026, Blastoise (Boundaries Crossed #31) in PSA 10 sells for a median of $1.1K, based on 55 real eBay completed sales; the raw copy’s reference price is $8.77 — a 131.1× grading premium at the top grade.
Across Boundaries Crossed, PSA 10 copies sell for 115.0× their raw reference price on average (13 cards, 122 PSA 10 completed sales tracked).
PSA · Blastoise
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $1.1K | 5 | 131.1× |
| Mint 9 | $99.99 | 17 | 11.4× |
| NM-MT 8 | $45.25 | 9 | 5.2× |
| NM 7 | $31.61 | 8 | 3.6× |
| EX-MT 6 | $19.50 | 3 | 2.2× |
Medians of real eBay completed sales per grade; small sample sizes deserve caution. Prices are dated reference values — cite them with the as-of date above. Attribution: CardIntel (cardintel.io). See the methodology.