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Grade Matrix

Graded
PSA 6
-
Grade 7 guide
$8
Grade 8 guide
$13
PSA 9
$29
PSA 10
$143

PSA 10: PriceCharting · last PSA 10 sale $136.00 on Aug 31, 2026 · checked Oct 25, 2026

PSA 9: Median of 1 PSA 9 sale in the last 90 days, latest 2026-07-30. Grade 9 guide (all graders): $30.

Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).

CGC
CGC 8
-
CGC 9
-
CGC 10
$60
CGC P10
-

Availability

Availabilityi
1/10G: 12/y
Graded: ~12 sales/yr (low) · Sales per year: ~110 sales/yr · Recent sales: 3 PSA 10 comps · Raw recent sales: 60 · Grade 9 recent sales: 30 · PSA 10 recent sales: 30 · Graded copies: 440 · PSA-10 delta 24.0%

TCGplayer Price History

1st EditionProduct 86507Fetched Oct 25, 3:35 AM
Weekly market
$3.45
week ending Oct 19
Weekly avg sale
$1.66
week ending Oct 19
Units sold (week)
2
week ending Oct 19

Card Value FAQ

How much is Koga's Ekans (Gym Challenge #77) worth?

GemDelta shows Koga's Ekans (Gym Challenge #77) at $3.34 market price (TCGplayer market). Its Delta multiple is 42.9x.

How much is a PSA 10 Koga's Ekans (Gym Challenge #77) worth?

A PSA 10 Koga's Ekans (Gym Challenge #77) is currently shown at $143. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.

Is Koga's Ekans (Gym Challenge #77) worth grading?

GemDelta records a 32.3% gem rate for Koga's Ekans (Gym Challenge #77), with 142 PSA 10 copies out of 440 total PSA grades and a 42.9x Delta. That describes the grading profile; it is not financial advice.

PSA 10 Recent sales

DateListingSale
Aug 31, 20262000 Pokemon Gym Challenge 1st Edition Koga's Ekans #77/132 PSA 10 GEM MINT$136.00
Aug 17, 20262000 Pokemon Gym Challenge 1ST EDITION #77/132 KOGA'S EKANS PSA 10 GEM MINT$179.00
Aug 17, 2026PSA 10 Koga'S Ekans 1st Edition Gym Challenge 77/132 1st Edition Pokemon Card 77/132$250.00