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.
Drawing Hands” Puzzle 1000 pieces – M.C. Escher – The Official Website
PuzzelMan (861) - M. C. Escher: "Three Worlds" - 1000 pieces puzzle
Hand with Reflecting Sphere” Puzzle 1000 pieces – M.C. Escher – The Official Website
Day and Night” Puzzle 1000 pieces – M.C. Escher – The Official Website
M C.Escher Puzzle Cascade Waterfall Centennial Puzzle 1000 Pc Metal Box Tin Used | eBay