Peru 1957 Airmail with Melbourne 1956 Overprint

Peru · 1957 · S/. 2.00

The stamp features an airplane flying over a globe, with 'CORREO AEREO' and 'PERU' text. It bears a black overprint 'MELBOURNE 1956' on a previous issue.

This stamp likely commemorates a special airmail service or event related to the 1956 Melbourne Olympic Games, indicated by the overprint on an existing airmail issue.