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Mewtwo Black Star Promo 052 PSA 9 Pokemon graded card
In stock

Mewtwo Black Star Promo 052 PSA 9 GameStop vs eBay

Mewtwo Black Star Promo 052 PSA 9 Pokemon graded card is in stock with GameStop price $84, GameStop inventory 9, eBay comps average $92, PSA population 18,258, set SV: Scarlet & Violet Promo Cards.

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SlabStop tracks GameStop graded card listings, inventory movement, eBay sold comps, raw card references, and PSA population signals. Prices and inventory can change quickly; always verify on the linked marketplace before buying.

Price and Inventory History

GameStop price$84
Pro price estimate$80
Inventory9
Price change-4.5%
Inventory change-10.0%
eBay average$92
Raw price$48
GS/eBay ratio0.9x
Raw multiplier1.7x
Expected multiplierN/A
PSA population18,258
Total PSA graded39,138
Gem rateN/A
Pressure score22/100
3-day drop rate39.0%
7-day drop rate63.0%

Inventory Pressure

  • Inventory is elevated at 9.
  • recent price drop may have already relieved pressure.

Links and Sources

  • GameStop slab listing/search for current availability.
  • eBay sold comps for recent secondary-market context.
  • TCGplayer raw card reference for multiplier comparisons.
  • PSA population page when a PSA spec id is available.

Same Pokemon

Same set