The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Malta. Mdina. Cupola of the Cathedral of S. S. Peter and Paul. The Cathedral Library. Plastichrome Series
St. Petersburg. The Weathervane on the Spire of the SS Peter and Paul Cathedral. Bronze Horseman
Leningrad. The Peter and Paul Cathedral. Aurora Art. USSR. Domenico Trezzini
Leningrad. The Peter and Paul Cathedral. Aurora Art. USSR. D. Trezini
Leningrad. The Peter and Paul Cathedral. Aurora Art Publishers. USSR. Domenico Trezzini
Peter and Paul Cathedral. Red Proletarian
Leningrad. The Peter and Paul Cathedral. Aurora Art. USSR
Historic Philadelphia. Independence Hall. Carpenters Hall. SS. Peter and Paul Cathedral. Art Museum. Philadelphia Post Card Co. Multi View. 1988