The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Greetings for October. USSR. 1990. I. Derzuleva
Tulips. Flowers. Greeting Card. USSR. 1990. I Derzuleva
First of May. USSR. V. Derzuljeva. Greeting Card. 1990
Mir. Trud. Mai. USSR. I. Derzuleva. Postcard. 1990
Tulips. Greeting Card. I. Dergileva. USSR. 1990
Happy May 1. USSR. I. Dergulev. 1976
1st May. I. Dergilev. USSR. 1978
First of May. Greeting Card. USSR. 1990. A. Chauzov