Base/#50/102Gembook Valuei·PSA 4As of Jun 14, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 4 verified sales
Fair range $14 – $21
Confidence Limited · weighted median of 4 verified sales
Fair range $14 – $21
Gastly
$17#12667 Overall#1708 in Base▲ 6.5%SET · 30D
1ST EDITION · PSA 4G
Price History▲ 2.6%
Details
SetBase
Number50 / 102
Released1999
PSA population31
Price confidenceLimited
Fair range$14 – $21
Last sale$21 · Apr 15, 2026
Live listings0 · checked daily
Recent sales
4 verified · 8 shownApr 15, 2026eBay$21—
Oct 17, 2025eBay$14—
Oct 12, 2025eBay$7—
Oct 6, 2025eBay$15—
Feb 27, 2025eBay$15—
Live listings
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How we price this
Gembook Value is the weighted median of 4 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.