1951-12-04: Postage Due (1949-1957)

1951-10-03: 10th Memorial Anniversary of Wilhelm Kienzl

1951-09-24: Provincial Costumes 1948/58

1951-08-03: 7th World Jamboree

1951-06-28: M.J. Schmidt (1718-1801) baroque painter, self portrait

1951-06-28: M.J. Schmidt (1718-1801) baroque painter, self portrait

1951-04-12: Joseph Lanner (1801-43) waltz composer, by J. Kriehuber

1951-03-10: Rebuilding

1951-03-03: Karl Renner (1870-1950), federal president

1951-03-03: Karl Renner (1870-1950), federal president