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Gastly #50, 1st Edition, Korean Base Set

Korean edition

  • Card number: #50/102
  • Finish: Non-Holo

A PSA 9 Gastly #50 1st Edition from Korean Base Set has a TCGBerg fair value of $56 as of Nov 15, 2026. It rests on 1 recorded sale, the latest on Jan 8, 2026. PSA has graded 4 copies at PSA 9. Sales evidence is sparse, so treat this value as a rough estimate.

TCGBerg fair valuePSA 9
As of Nov 15, 2026
$56up 1.5%30-day change

TCGBerg Algorithm (estimated from recorded sales).

1 sale · latest Jan 8, 2026

Fair value3 months
Last sale$125Jan 8, 2026121.4% above fair
5-sale avg$125last 5 sales
Population · PSA 9
4
Market cap
$226
Volatility
0.6%
YTD
↑ 321.7%
Sales evidence
Sparse

TCGBerg fair value · PSA 9

$56

30D1.5%YTD321.7%
Sales evidenceSparse

Based on 1 recorded sale. Latest sale: Jan 8, 2026.

Market cap
$226
fair value x population
Population
4
graded copies
Last sale
$125
+121.4% vs fair
5-sale avg
$125
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 9.

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What the evidence says

The latest recorded PSA 9 sale ($125 on Jan 8, 2026) sits 121.4% above the $56 fair value, too far off to read as this grade's price. The value rests on 1 recorded PSA 9 sale. With so few PSA 9 sales on record, a single sale can sit far from the value. Its confidence band runs from $42 to $71. A PSA 10 ($74) is worth 1.3 times a PSA 9 ($56). Over the past 30 days the PSA 9 value has risen 1.5%. With sparse sales evidence, read the gap and the band as rough guides.

TCGBerg fair value by grade

Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.

Behind the scenes

What goes into this price, and how much we know.

Recent sales

1 tracked

Each sale against the grade's fair value on the day it sold.

  • $125
    Jan 8, 2026 · via eBay
    PSA9above fair value by 152.6%

All grades matrix

Every grade we track for this printing.

  • PSA10$74
    1d 0.0%7d 0.8%30d 0.8%
    Pop
    4
    Mcap
    $296
    Evidence
    Sparse
    Last
    $51
  • PSA9$56
    1d 0.0%7d 1.5%30d 1.5%
    Pop
    4
    Mcap
    $226
    Evidence
    Sparse
    Last
    $125
  • PSA8$16
    1d 0.0%7d 4.6%30d 1.5%
    Pop
    4
    Mcap
    $66
    Evidence
    Sparse
    Last
    -
PSA10$744$296down 0.8%down 0.8%down 4.7%Sparse$512y ago
PSA9$564$226up 1.5%up 1.5%up 10.0%Sparse$12510mo ago
PSA8$164$66up 4.6%up 1.5%up 9.7%Sparse-
PSA7$5.490-up 4.6%up 1.5%up 9.6%Sparse-
PSA6$5.490-up 4.6%up 1.5%up 9.6%Sparse-

PSA population report

12 graded copies of Gastly 1st Edition across 3 grades.

PSA 10
4 · 33%
PSA 9
4 · 33%
PSA 8
4 · 33%

PSA 9 makes up 33% of graded copies: 4 of 12. PSA 10 is the most common grade (33%).

Analysis

Gastly - 1st Edition-Korean at PSA 10 carries a TCGBerg fair value of $74 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from Korean Base Set, from PSA 7 up to PSA 10. A graded population of 4 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on sparse sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 0.8%.

PSA 9 - frequently asked

How much is a PSA 9 Gastly - 1st Edition-Korean from Korean Base Set worth?
$56 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 9 Gastly - 1st Edition-Korean from Korean Base Set. It rests on sparse sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 9 Gastly - 1st Edition-Korean from Korean Base Set?
4 copies have been graded at PSA 9, the recorded graded population, not the number of copies printed.
How has the PSA 9 Gastly - 1st Edition-Korean from Korean Base Set price moved recently?
Its TCGBerg fair value has risen 1.5% over the past 30 days.