modern-to-grade · special illustration
Blastoise ex
151 · #200 · English · released 2023
Raw market price
$139
7 days
▲ 2.1%
30 days
▼ 3.4%
90 days
▼ 12.4%
Graded prices & PSA population
| Grade | Market price | PSA population |
|---|---|---|
| PSA 10 | $615 | 18,816 |
| PSA 9 | $163 | 31,454 |
| PSA 8 | $120 | 10,607 |
PSA population recorded 2026-09-05 · total graded 63,197
Why this card matters
pop
PSA 10 pop of 18,492 is massive for a SIR — supply pressure is severe. 61K+ total graded copies signals deep, liquid supply with no reprint ceiling relief.
demand
Blastoise is a Gen-1 cornerstone; 151 set carries strong nostalgia pull. SIR finish elevates desirability, but demand must fight enormous supply to move price.
artist
Special Illustration Rares in 151 feature premium full-art treatment with rich detail — Blastoise SIR is widely regarded as one of the set's standout aesthetic pieces.
catalyst
30d momentum is -7.5% — active downtrend with no visible near-term catalyst. PSA 10 raw-to-graded spread is thin ($148 raw vs $585 PSA 10), limiting speculation upside.
Graded comps on record
$1,350
BGS 10
$746
CGC 10
$711
PSA 9
$615
PSA 10
$552
TAG 10
$359
ACE 10
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More from 151
Market data recorded 2026-09-03 from licensed market sources. MASTER records prices daily and never invents a number — estimated values are always labeled. Not financial advice.