Graded Market · 3 completed sales
Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff] graded prices.
As of July 31, 2026, Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff] (HGSS Black Star Promos #HGSS18) trades across the graded ladder below, based on 3 real eBay completed sales; the raw copy’s reference price is $1.4K.
PSA · Tropical Tidal Wave - HGSS18 (Worlds 10) [Staff]
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Mint 9 | $1.5K | 3 | 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.