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Updated Aug 18, 2024
Values for auctions have been converted to USD using conversion rates from the actual date of the auction.
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an auction to a puzzle.
Roof Puzzle
Feb 12
2021
$55.00
9 bids
Roof Puzzle , IPP31 exchange puzzle
Aug 03
2019
$52.07
12 bids
Roof Puzzle
Mar 01
2017
$90.89
1 bids
Qwik-Sane, Wff'n Proof puzzle
Jun 15
2009
$9.00
11 bids
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