Envelopes First Day of Issuance and Circulated Letters

Envelopes First Day of Issue

These are envelopes specially designed with the postage stamp "postmarked" with a special stamp prepared to be used "The First Day" of circulation of said stamp. Today the postmark "First Day of Issuance" can still be used for collection purposes, in the philatelic offices of the Argentine Post.

Diplomatic Relations with China

 

Circulated Letters

They consist of real letters "actually sent" by mail to some recipient with postage stamps or special stamps.

Letter circulated from Uruguay to Buenos Aires

Letter circulated from Uruguay to Buenos Aires

 

Letter Circulated from the United States