Search tips: Space will search X or Y, "+" will search X and Y, "-" will exclude that term from search.
            27.94%  of auctions linked
        
        
            Search tips
            
  
    
  
        
    
    
     Using a space will search X or Y.
"+" will search X and Y.
"-" will exclude that term from search.
            27.94% 
            linked
        "+" will search X and Y.
"-" will exclude that term from search.
            Updated Nov 01, 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.  | 
                |||||
|---|---|---|---|---|---|
| 
                        
  
    
   
    
    
     Click the  to link 
                    an auction to a puzzle.  | 
                |||||
| Stop-Puzzle (IPP34) by Vladimir Krasnoukhov | 2025-Aug-24 | $25.00 | 2 | 
                        
  
    
   | 
                    |
| 
                         Stop-Puzzle (IPP34) by Vladimir Krasnoukhov 
                        
                     | 
                    Aug 24 2025  | 
                    
                         $25.00 
                        2 bids 
                     | 
                    |||
| Stop-Puzzle - IPP34 Exchange by Vladimir Krasnoukhov | 2020-Nov-29 | $32.00 | 5 | 
                        
  
    
   | 
                    |
| 
                         Stop-Puzzle - IPP34 Exchange by Vladimir Krasnoukhov 
                        
                     | 
                    Nov 29 2020  | 
                    
                         $32.00 
                        5 bids 
                     | 
                    |||
| Stop-Puzzle | 2020-Aug-01 | $12.96 | 1 | 
                        
  
    
   | 
                    |
| 
                         Stop-Puzzle 
                        
                     | 
                    Aug 01 2020  | 
                    
                         $12.96 
                        1 bids 
                     | 
                    
                   Auction: 
                   
                   
                
                Search here for a puzzle...