Haubrich Puzzle Auction

  


Haubrich Puzzle Auctions


Auction Rules (Refined per July 23, 2016)

 
Puzzle Auction 25: scheduled for early September 2017  

Checkerboard
history
Covering surfaces
with pentominoes

It is now Sunday, July 23, 2017 - Time: 22:43 (PM)   (Amsterdam time)