Search tips: Space will search X or Y, "+" will search X and Y, "-" will exclude that term from search.
34.71% of auctions linked
Search tips
Using a space will search X or Y.
"+" will search X and Y.
"-" will exclude that term from search.
34.71%
linked
"+" will search X and Y.
"-" will exclude that term from search.
Updated Nov 26, 2025
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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| “Formula” | 2025-Feb-20 | $25.00 | 1 |
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“Formula”
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Feb 20 2025 |
$25.00
1 bids
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| Formula, IPP37 exchange puzzle | 2019-Sep-26 | $31.76 | 13 |
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Formula, IPP37 exchange puzzle
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Sep 26 2019 |
$31.76
13 bids
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