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Grade Matrix

PSA
PSA 6
-
PSA 7
-
PSA 8
-
PSA 9
$75
PSA 10
$87

PSA 10: PriceCharting; refreshed Sep 10, 2026

CGC
CGC 8
-
CGC 9
-
CGC 10
$52
CGC P10
-

Availability

Availabilityi
1/10G: —
Graded: insufficient data · Sales per year: ~20 sales/yr · Graded copies: 22

TCGplayer Price History

Reverse HolofoilProduct 88386Fetched Sep 8, 3:38 AM
TCGplayer market
$7.16
Latest avg sale
$0.00
Units sold
30

Card Value FAQ

How much is Professor Cozmo's Discovery (Holon Phantoms #89) worth?

GemDelta shows Professor Cozmo's Discovery (Holon Phantoms #89) at $7.02 market price (TCGplayer market). Its Delta multiple is 12.0x.

How much is a PSA 10 Professor Cozmo's Discovery (Holon Phantoms #89) worth?

A PSA 10 Professor Cozmo's Discovery (Holon Phantoms #89) is currently shown at $87.13. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.

Is Professor Cozmo's Discovery (Holon Phantoms #89) worth grading?

GemDelta records a 22.7% gem rate for Professor Cozmo's Discovery (Holon Phantoms #89), with 5 PSA 10 copies out of 22 total PSA grades and a 12.0x Delta. That describes the grading profile; it is not financial advice.

What is the Reverse Holo version of Professor Cozmo's Discovery (Holon Phantoms #89) worth?

The Reverse Holo version of Professor Cozmo's Discovery (Holon Phantoms #89) is shown at $7.02 market price. That value is for this stored card variant, not the base printing.