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Grade Matrix

PSA
PSA 6
-
PSA 7
-
PSA 8
-
PSA 9
$4
PSA 10
$65

PSA 10: PriceCharting; refreshed Sep 10, 2026

CGC
CGC 8
-
CGC 9
-
CGC 10
$39
CGC P10
-

Availability

Availabilityi
4/10G: —
Graded: insufficient data · Sales per year: ~104 sales/yr · Graded copies: 11

TCGplayer Price History

Reverse HolofoilProduct 121016Fetched Sep 11, 3:48 AM
TCGplayer market
$0.83
Latest avg sale
$0.15
Units sold
197

Card Value FAQ

How much is Gastrodon (Steam Siege #29) worth?

GemDelta shows Gastrodon (Steam Siege #29) at $0.83 market price (TCGplayer market). Its Delta multiple is 56.0x.

How much is a PSA 10 Gastrodon (Steam Siege #29) worth?

A PSA 10 Gastrodon (Steam Siege #29) is currently shown at $64.95. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.

Is Gastrodon (Steam Siege #29) worth grading?

GemDelta records a 36.4% gem rate for Gastrodon (Steam Siege #29), with 4 PSA 10 copies out of 11 total PSA grades and a 56.0x Delta. That describes the grading profile; it is not financial advice.

What is the Reverse Holo version of Gastrodon (Steam Siege #29) worth?

The Reverse Holo version of Gastrodon (Steam Siege #29) is shown at $0.83 market price. That value is for this stored card variant, not the base printing.