Professor's Letter Value
BREAKthrough · #146
$7.50
PSA 9 · 183%
Based on 23 sales
All Prices
PSA 9
$7.50
PSA 10
$33.74
Market Intelligence
LiquidityMedium (3 sales/30d, 0.7/week)
VolatilityHigh (85.9% CV)
Price History
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Recent Sales
2026-04-15
· raw
· ebay
$0.99
2026-04-07
· raw
· tcgplayer
$1.10
2026-04-02
· raw
· tcgplayer
$0.20
2026-03-27
· raw
· tcgplayer
$0.11
2026-03-23
· raw
· ebay
$1.65
2026-03-23
· raw
· ebay
$1.29
2026-03-21
· raw
· ebay
$1.73
2026-03-20
· raw
· tcgplayer
$0.35
2026-03-16
· raw
· tcgplayer
$0.15
2026-03-14
· raw
· ebay
$0.99
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