My Selegiochi Escher collection 💙.As far as I can see there where 19 of these released.Mostly 1000 piece but a couple of 500s and one 3000. Still searching for the last five.
1000, Selegiochi, Ascending and Descending - Rare Puzzles
MC Escher - Waterfall - 1000 Teile - PUZZELMAN Puzzle online kaufen