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
Saint Petersburg. The Smolny Cathedral. P. 2. V. Voroncov
St. Petersburg. The ensemble of the Smolny Cathedral. 2000
Trinity Cathedral. St. Petersburg. Russia. 1905
Truro Cathedral. The West Front. Penpol Picture Cards. Frank Grattan
Liverpool Cathedral. Valentine. X. L. Series. Real Photo Cards
St. Petersburg. The St. Nicholas or Naval Cathedral of the Epephany. 2000
St. Petersburg. St. Isaacs Cathedral. 2000