Argentina 'Rivadavia' Portrait, No Watermark, Imperforate

Argentina · 1864 · 5c

This classic stamp features an engraved portrait of Bernardino Rivadavia, the first president of Argentina. The design is notable for its intricate detail and the absence of perforations, characteristic of early stamp production. Issued in a reddish-brown color, it represents a key period in Argentina's postal history.

Issued in 1864, this stamp was part of the second definitive series of the Argentine Republic, following the unification of the country. These stamps replaced the earlier issues of the separate Argentine Confederation and the State of Buenos Aires.