$4.63
PSA 10 · 12%
Based on 1 sale
$2.57
PSA 9
$1.54
PSA 8
$1.24
PSA 7
$1.03
Raw
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The Professor's Letter from BREAKthrough is currently valued at $1.03 raw and $4.63 in PSA 10 grade. Prices have increased 12% over the past 30 days.
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Price History
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Price by Grade
Raw
$1.03
PSA 7
$1.24
PSA 8
$1.54
PSA 9
$2.57
PSA 10
$4.63
Recent Sales
2026-04-01
· raw
· ebay
$1.99
2026-03-24
· raw
· ebay
$0.99
2026-03-22
· raw
· ebay
$1.29
2026-03-20
· raw
· ebay
$1.76
2026-03-19
· raw
· ebay
$2.99
2026-03-13
· raw
· ebay
$1.79
2026-03-12
· raw
· ebay
$0.99
2026-03-03
· raw
· ebay
$2.97
2026-03-01
· raw
· ebay
$2.00
2026-02-22
· raw
· ebay
$1.25
2026-02-19
· raw
· ebay
$1.00
2026-02-15
· raw
· ebay
$4.99
2026-02-15
· raw
· ebay
$0.99
2026-02-04
· raw
· ebay
$4.19
2026-02-02
· raw
· ebay
$1.49
2026-01-26
· raw
· ebay
$2.15
2026-01-23
· raw
· ebay
$2.03
2026-01-23
· raw
· ebay
$1.25
2026-01-18
· cgc 8.5
· ebay
$40.00
2025-11-22
· raw
· ebay
$3.00
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