Issued on 25 August 1952, this triangular airmail stamp from the Republic of San Marino commemorates the Giornata Filatelica S. Marino–Riccione (Philatelic Day). The design, printed in violet and carmine, features a delicate floral motif at the center, symbolizing elegance and tradition. The stamp bears the inscription Posta Aerea and the denomination 1 Lira, with the date of issue prominently displayed. Its triangular format adds to its philatelic appeal, making it a distinctive issue of the early 1950s.

Details:

• Country: San Marino

• Year of Issue: 1952

• Date: 25 August 1952

• Type: Airmail (Posta Aerea)

• Denomination: 1 Lira

• Theme: Philately / Flowers / Events

• Format: Triangular

• Designer/Printer: I.P.S. Off. Carte-Valori, Rome