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.
Day and Night” Puzzle 1000 pieces – M.C. Escher – The Official Website
Hand with Reflecting Sphere” Puzzle 1000 pieces – M.C. Escher – The Official Website
Puzzles, Large – M.C. Escher – The Official Website
Vintage MC Escher Jigsaw Puzzle Still Life and Street Gallins - Etsy Australia
MC Escher Puzzle 3D model 3D printable | CGTrader
Vintage MC Escher Relativity Jigsaw Puzzle, 18 X 24 551 Pieces | eBay
MC Escher Concave convex UNIQUE puzzle 1000 pc Selgiochi ART IN BOX ❤️sj10m5 | eBay