The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Vienna. Opera. PAG. RP
Vienna. Opera. PAG
Vienna. Opera. P. A. G
Vienna. Opera. Fleischmann and Jaeger. Nr. 79. 1980
Wien. Staatsoper. Vienna. Opera House. Vienne. Le Theatre de lOpera. Rau Color Hans H. Rau
Vienna. Opera House. Gallery. P. Ledermann. Nr. 50819. RP
Vienna. Opera house
Vienna. Opera House. Osterreich. PAG. Richard Pietsch. 1984
