Gravekeeper's Spy RA03-EN121 Quarter Century Secret Rare
Gravekeeper's Spy is a Quarter Century Secret Rare card from the Yu-Gi-Oh! Quarter Century Bonanza set (RA03). This 1st Edition foil features a flip effect that allows you to Special Summon a 'Gravekeeper's' monster from your Deck, making it a valuable addition to any Gravekeeper's deck or collector's binder.✦ AI summary
How much is Gravekeeper's Spy RA03-EN121 Quarter Century Secret Rare worth?
As of Jul 14, 2026, the market median price of Gravekeeper's Spy RA03-EN121 Quarter Century Secret Rare is $35.98 on eBay, with 10 active listings. Across 6 price snapshots tracked by TCGKami, the average is $38.76, ranging from a low of $26.93 (Jul 2, 2026) to a high of $59.62 (Jun 4, 2026), a +17.9% change over the tracking period.
Live listings right now range from $4.95 to $149.98 (median $49.99, 10 priced listings).
Data updated Jul 14, 2026 · source: live eBay listings, aggregated by TCGKami