The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
The Hungarian State Opera House. Boavi Kft. Fejer Gabor
Teatro Amazonas. Manaus Opera House. The Stage. Tullio Demasi
Paris. Opera House. The Staircase. A. Papeghin. B. Hopkins
178. Paris. Opera House. The staircase. A. Papeghin. Cormault
Paris. Opera House the Staircase. A. Papeghin
Miss Nansolma. Among the Sorrow Mountains. The State Opera and Ballet House. Ulan Bator. Mongolia. B. Wangchindorj
Wien. State Opera House. P. Ledermann
Wien I. Opern Ring. Staats Oper. State Opera House. 24916. P. Ledermann
