Professor Cozmo's Discovery
Holon Phantoms · #89 · Expansion Stamp Holo
IDX$7.25
STALE · AS OF 2026-08-06
MONARK BLEND
TCGPLAYER · THIS VARIANT
NO DATA
EBAY SOLD · ALL VARIANTS
MED$7.25
RANGE$0.99–$9.99
STALE · AS OF 2026-07-23
6 SALES · 49D · AS OF 2026-07-23
AS OF 2026-08-06
where to buy
affiliate links — monark may earn a commission
compare finish prices · 2compare ▾
- Normal$0.50$0.31–$0.64—▼ 2.0% · 7d
- Expansion Stamp Holo——
tcgplayer market · price · range · vs base · 7-day move
card data
- RARITY
- Uncommon
- TYPE
- Trainer · Supporter
- ILLUS
- Ken Sugimori
price summary
Professor Cozmo's Discovery (Expansion Stamp Holo) from Holon Phantoms #89 is worth $7.25 — the MONARK BLEND consensus as of 2026-08-06. eBay sold median across all finishes of the card is $7.25 from 6 sales in the 49-day window to 2026-07-23. monark prices each finish separately. This card has 2 tracked finishes: Normal · Expansion Stamp Holo.
