Graded Market · 57 completed sales
Blastoise GX - SM189 graded prices.
As of July 8, 2026, Blastoise GX - SM189 (SM Black Star Promos #SM189) in PSA 10 sells for a median of $247.75, based on 57 real eBay completed sales; the raw copy’s reference price is $21.17 — a 11.7× grading premium at the top grade.
PSA · Blastoise GX - SM189
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $247.75 | 12 | 11.7× |
| Mint 9 | $37.00 | 19 | 1.7× |
| NM-MT 8 | $29.99 | 13 | 1.4× |
CGC · Blastoise GX - SM189
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Mint 9 | $21.25 | 4 | 1.0× |
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.