The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
St. Petersburg. The Smolny Cathedral. Alfa Color. V. Davidov
St. Petersburg. Smolny Cathedral. Paperitaide Cards. Vladimir Ivanov. 1995
Kazan Cathedral. Saint Petersburg. Russian Empire Postcard
Saint Petersburg. The Kazan Cathedral. P. 2. L. Gerkus
St. Petersburg. The ensemble of the Smolny Cathedral. 2000
Saint Petersburg. Kazan Cathedral. 1993. USSR
Petersburg. Saint Isaac Cathedral
Saint Petersburg. View of the St. Isaac Cathedral. Bronze Horsemen