Official cover sent from the civil registry of Coronel Suárez to La Plata in JUL/1891, with several due marks for insufficient postage, and on back cancels of 7/JUL: "ADMINISTRACIÓN DE CORREOS - FERRARI" (very rare), and arrival mark of the same day, VF!
Official entire letter sent to San Andrés de Giles on 23/JA/1877, with a rare datestamp of AZUL in small circle and 2 transit marks of Buenos Aires, excellent!
Lot of 15 covers with advertising cancels, including some known brands and laboratories, for example: Old Spice, Odol, Bayer, Sandoz, etc., several with defects.
