Michel 1233 C - 100 years of the waltz - On the beautiful blue Danube, 1967, block of 4 with corner margin piece, mint

Austrian stamp 3 Schilling "100 Jahre Walzer - An der schönen blauen Donau" in type C as a block of 4 with top left corner margin from 1967, type C has 17 perforations horizontally, intaglio printing, comb perforation 12 : 12, mint