G
Gembook
MarketsSetsListings
GembookMethodologyMarkets
Data refreshed daily

© 2026 Gembook

Home/Gym Challenge/Master Ball · PSA 9
Master Ball Gym Challenge

Master Ball

Gym Challenge · #116/132 · PSA 91st Edition

Data may be outdated — last updated unknown

Limited data

Last Verified Sale

$61.99

May 30, 2026 — fair value will sharpen as more sales come in.

Range

—

Last Sold

$61.99

May 30

PSA Population

130

30d Volume

1(-100% vs prior)

eBay PSA 9 — $61.99 on May 30, 2026eBay PSA 9 — $30.00 on Jan 31, 2026eBay PSA 9 — $24.95 on Jan 19, 2026eBay PSA 9 — $28.00 on Dec 21, 2025$25$43$62Dec 21Feb 2Mar 17Apr 29Jun 11

Live Listings

Very Low Liquidity
0 active

No active eBay listings for PSA 9 1st Edition. We check daily — check back soon.

Recent Sales

4 comps
eBayMay 30, 2026

$61.99

eBayJan 31, 2026

$30.00

eBayJan 19, 2026

$24.95

eBayDec 21, 2025

$28.00

Why this verdict — 90-day methodology

Fair value is computed from 1 PSA-graded comp over the last 90 days.

Sources

  • eBay1 (100.0%)

Sub-signals

  • Newest comp: 12d ago
  • Cert-verified: 0.0%
Full methodology →