1952, Liechtenstein 'Paintings from the Princely Picture Gallery, Vaduz (III)' set of three values: 20 Ct.; 30 Ct.; 40 Ct. in sheets of 12 stamps. MNH.  Catalog value 1680 € (Mi. 306-308; Scott 261-263; Yt: 268-270; SG. 305-307)