| Bidder | Amount | Date | 
|---|---|---|
| A****9 40 | €37.00 | 04.08.2019 14:50:06 | 
| P****r 48 | €35.00 | 04.08.2019 14:50:06 | 
| A****9 40 | €32.00 | 24.07.2019 22:38:44 | 
| P****r 48 | €30.00 | 24.07.2019 22:38:44 | 
| A****9 40 | €22.00 | 16.07.2019 01:13:07 | 
| t****i 50 | €20.00 | 16.07.2019 01:13:07 | 
| t****i 50 | €11.00 | 15.07.2019 17:07:17 | 
| P****r 48 | €10.00 | 15.07.2019 03:02:26 | 
From the set of IPP31 exchange puzzles, this is "Magic Domino", exchanged by William Strijbos.