Search tips: Space will search X or Y, "+" will search X and Y, "-" will exclude that term from search.
35.8% of auctions linked
Search tips
Using a space will search X or Y.
"+" will search X and Y.
"-" will exclude that term from search.
35.8%
linked
"+" will search X and Y.
"-" will exclude that term from search.
Updated Jan 11, 2026
Values for auctions have been converted to USD using conversion rates from the actual date of the auction.
| Puzzle
Click the to link
an auction to a puzzle. |
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Click the to link
an auction to a puzzle. |
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| Four Pentomino Problems (IPP25 exchange) | 2021-May-23 | $23.00 | 11 |
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Four Pentomino Problems (IPP25 exchange)
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May 23 2021 |
$23.00
11 bids
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| Four Pentomino Problems | 2017-May-01 | $87.26 | 1 |
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Four Pentomino Problems
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May 01 2017 |
$87.26
1 bids
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| Four Pentomino Problems | 2012-Jun-01 | $45.74 | 1 |
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Four Pentomino Problems
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Jun 01 2012 |
$45.74
1 bids
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