Cover sent from the Comité Auxiliar do Joint no Rio de Janeiro (Brazil) to the Israelite Philanthropic Association in Buenos Aires on 3/NO/1949, VF quality! (Image)

PC with view of the San Pedro Peninsula (near Bariloche, Argentina), with printed text of the type "DEAR DOCTOR" (with medicine advertisement), franked with 1c. Sarmiento used in Buenos Aires on 28/AU/1937, excellent quality! (Image)

Cover containing printed matter, used in Buenos Aires on 22/JUN/1940 franked with 2c., and machine cancel with slogan: "BURY OR BURN THE BODIES OF DEAD (ANIMALS) WITH CARBUNCLE - IT IS DANGEROUS TO SKIN THEM", very rare, also interesting for collectors of topic Environment, Fauna, etc. (Image)

3 Covers used in Argentina between 1944 and 1958, with interesting cancels of HOSPITALS: "Hogar de Alienados Oliva, Córdoba", "Hospital Sanatorio Llanura, Pergamino", and "Hospital Psiquiátrico, Santa Fe", very rare! (Image)

Envelope with fancy corner card of Institute for LEPERS, postmarked on 29/NO/1946 with special slogan "Support the work of the Institute for the Lepers", and special cinderella, excellent! (Image)

PC with printed advertising for "Geramina old people's home", franked with 50c. and used in Buenos Aires on 10/NO/1959, interesting! (Image)

Cover with special postmark of 9/NO/1976: "Intl. Symposyum on the Biosynthesis and Function of Lipids - Tornquist", franked with stamp GJ.1735 commemorating Dr. Leloir who won the Nobel Prize in Chemistry, with his hand-written AUTOGRAPH, excellent and rare! (Image)