First Day Covers issue and Real letters with stamps
First Day Covers (FDC)
It is specially designed envelopes with postage stamp “canceled” with a special postmark ready for use at the “First Day” of movement of such postage stamp. Today the postmark “First Day of Issue” can still be used for purposes of collection, in the philatelic offices Correo Argentino.
Diplomatic relations with China
Real letters with Postage Stamps
It consists of royal letters “really sent” by mail to a recipient with special stamps cancelled with postmarks.
A real letter sent from Montevideo to Buenos Aires
National and International Poncho Festival – Catamarca