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.  | 
                |||||
| “Heads & Tails Pyramid” (Exchange Puzzle IPP 25) | 2023-Sep-24 | $57.00 | 9 | 
                        
  
    
   | 
                    |
| 
                         “Heads & Tails Pyramid” (Exchange Puzzle IPP 25) 
                        
                     | 
                    Sep 24 2023  | 
                    
                         $57.00 
                        9 bids 
                     | 
                    |||
| Headset | 2021-Sep-30 | $14.00 | 1 | 
                        
  
    
   | 
                    |
| 
                         Headset 
                        
                     | 
                    Sep 30 2021  | 
                    
                         $14.00 
                        1 bids 
                     | 
                    |||
| Heads & Tails Pyramid (IPP25 exchange) | 2021-May-22 | $12.00 | 1 | 
                        
  
    
   | 
                    |
| 
                         Heads & Tails Pyramid (IPP25 exchange) 
                        
                     | 
                    May 22 2021  | 
                    
                         $12.00 
                        1 bids 
                     | 
                    |||
| Egg-box for Egg-heads, IPP16 exchange puzzle | 2020-Apr-24 | $10.78 | 1 | 
                        
  
    
   | 
                    |
| 
                         Egg-box for Egg-heads, IPP16 exchange puzzle 
                        
                     | 
                    Apr 24 2020  | 
                    
                         $10.78 
                        1 bids 
                     | 
                    |||
| Heads & Tails Tetrominoes, IPP37 exchange puzzle | 2019-Sep-13 | $11.06 | 1 | 
                        
  
    
   | 
                    |
| 
                         Heads & Tails Tetrominoes, IPP37 exchange puzzle 
                        
                     | 
                    Sep 13 2019  | 
                    
                         $11.06 
                        1 bids 
                     | 
                    |||
| EGG-BOX for EGG-HEADS | 2016-Jul-01 | $29.99 | 1 | 
                        
  
    
   | 
                    |
| 
                         EGG-BOX for EGG-HEADS 
                        
                     | 
                    Jul 01 2016  | 
                    
                         $29.99 
                        1 bids 
                     | 
                    |||
| Two heads, four boys | 2016-Mar-01 | $77.31 | 1 | 
                        
  
    
   | 
                    |
| 
                         Two heads, four boys 
                        
                     | 
                    Mar 01 2016  | 
                    
                         $77.31 
                        1 bids 
                     | 
                    
                   Auction: 
                   
                   
                
                Search here for a puzzle...