Argentiina
Praegu kuvatakse: Argentiina - postmargid (1858 - 2023) - 1 margid.
1992
The 50th Anniversary of the Neuquen and Rio Negro Philatelic Centre - Overprint on Not Issued Stamp
7. november WM: mitte ükski Disain: C. Quaglia. Gravüür: Casa de moneda. perforatsioon: 13½