Haubrich Puzzle Auction

  


Haubrich Puzzle Auctions


Auction Rules

 
Next Puzzle Auction: Jan 13, 2020  

 
 Checkerboard
history
 
 
 Covering surfaces
with pentominoes

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 John Moores
Puzzle Collection
Auction
 

 Catalog of some 
Bolt and Nut
Puzzles