International Year of the Book, UNESCO

Bulgaria · 1972 · 13 stotinki

This stamp commemorates the 1972 International Year of the Book, a UNESCO initiative to promote literature and reading. The design features an open book with the UNESCO emblem, symbolizing the global spread of knowledge through the written word. The text 'International Year of the Book' is inscribed in Bulgarian Cyrillic script.

Issued during the Cold War era, this stamp reflects Bulgaria's participation in international cultural initiatives led by UNESCO, highlighting the universal importance of books and education.