Raw, it’s a $0.50 card. Slabbed as a PSA 10 it sells for 320× that.
| June · 1 sale · median $160 · +332% vs Apr | |||||
| 6 | eBay | 🌀 Pokemon SVP 042 - Black Star Promo Houndstone Cosmos Holo - PSA 10 - Swirl 🌀 #SVP 042 | +332% | $160 | |
| April · 1 sale · median $37 · +64% vs Mar | |||||
| 14 | eBay | 2023-25 Pokemon SV Black Star Promos Houndstone #042 PSA 10 GEM MINT | +64% | $37 | |
| March 2025 · 1 sale · median $23 · −44% vs Apr | |||||
| 15 | eBay | 2023 POKEMON SVP EN-SV BLACK STAR PROMO #042 HOUNDSTONE PSA 10 #042 | −44% | $23 | |
| April 2024 · 1 sale · median $40 | |||||
| 12 | eBay | Pokemon Card Houndstone Holo Black Star Promo SVP042 Obsidian Flames PSA 10 #042 | — | $40 | |