Complete set of 2 decks of cards with 2 different Escher drawings on the back, produced in 1992 in the Netherlands. The design is by the great Dutch graphical artist M.C. Escher (1898 – 1972). The cards show sign of use and are produced by Piatnik of Austria, number 2536. See the attached video on the brilliant work from mr. Escher in a BBC coverage!