Official card sent to JAPAN on 2/OC/1953 by the Army laboratory of virus & rickettsia franked with 50c. (Petroleum), excellent quality, very unusual destination!
Registered airmail cover sent from Comodoro Rivadavia to Buenos Aires on 9/MAR/1942 with MIXED POSTAGE: 25c. official stamp to pay the surface rate + 30c. definitive stamp for the airmail surcharge (official stamps were not accepted), VF quality!
Registered cover sent from Faro Punta Médanos to Buenos Aires on 15/MAY/1941 with spectacular POSTAGE COMBINING department stamps (25x 1c. Sarmiento with M.M. overprint) + official stamps (5c. Moreno + 10c. Rivadavia), all cancelled in General Madariaga, excellent!
Advice of receipt for publication, sent from B.Aires to the Intl. Labour Organization in Switzerland in MAR/1941, by the Faculty of Law and Social Sciencies of La Plata
RARE MIXED POSTAGE: Registered cover sent from ENRIQUE CARBÓ to Paraná on 26/JUN/1934, franked with GJ.551 (San Martín 3c. with serif M.O.P. overprint) in block of 10 + 1, and 2c. San Martín WITHOUT ovpt. Very interesting and rare combination!
