Graded Market · 11 completed sales
Crystal Cave (Secret) graded prices.
As of July 8, 2026, Crystal Cave (Secret) (Evolving Skies #230) in PSA 10 sells for a median of $59.95, based on 11 real eBay completed sales; the raw copy’s reference price is $4.01 — a 15.0× grading premium at the top grade.
PSA · Crystal Cave (Secret)
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $59.95 | 8 | 15.0× |
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.