The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Saint Petersburg. St. Isaac Square. St. Isaac Cathedral. Bronze Horseman
St Petersburg. St Isaac Square. St Isaac Cathedral. Monument to Nicholas I. Postcard
Petersburg. Saint Isaac Cathedral
St. Petersburg. St. Isaacs Cathedral. 2000
St. Petersburg. Isaacs Cathedral. 1916. B. Hopkins
Petrograd. St. Petersburg. St. Isaacs Cathedral. 1917
St. Petersburg. Cathedrale de St. Isaac. E. G. S. No. 9
Saint Petersburg. View of St. Isaac Cathedral in Spring. N. Rakhmanov and ARS Publications Limited