Award-winning Stamp CPA 3023 Commemoration

Soviet Union · 1968 · 4 kopecks

The stamp features a smaller stamp, which depicts a ship, alongside a diploma and a silver medal, commemorating an award won at a philatelic competition.

This stamp commemorates a previous Soviet stamp (CPA 3023) that received a Silver Medal and Diploma at the 3rd Thematic Biennale Competition in Buenos Aires in 1965, highlighting Soviet philatelic achievements.