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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.
“Interlocking Checkerboard” (Exchange Puzzle IPP 28)
Sep 23
2023
$25.00
4 bids
Stewart Coffins Interlocking Checkerboard, IPP28 Presented by Les Barton
Oct 15
2022
$37.00
4 bids
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