
10c greenish blue 'Writers & Artists' AIR issue, both types (Peru and El Salvador) in a fine mint TETE-BECHE PAIR with central gutter margin. (SG 424r/424s)
10c greenish blue 'Writers & Artists' AIR issue, both types (Peru and El Salvador) in a fine mint TETE-BECHE PAIR with central gutter margin. (SG 424r/424s)