Circa 1912. Small unsealed calling card envelope franked with DIAGONALLY BISECTED 1912 2c black & brown (SG 664) paying the 1c unsealed rate tied by dumb 'S' cancel of SAN SALVADOR. Addressed to SAN MIGUEL.
Circa 1912. Small unsealed calling card envelope franked with DIAGONALLY BISECTED 1912 2c black & brown (SG 664) paying the 1c unsealed rate tied by dumb 'S' cancel of SAN SALVADOR. Addressed to SAN MIGUEL.