1924/25 - Advertising Stamps, 1L dark brown and ul
1924/25
1924/25 - Advertising Stamps, 1L dark brown and ultramarine 'Columbia' from 'MESSAGGERIE TRIESTE MILANO 11.1.25' to Berlin. Rare use of advertising stamp for foreign mail. Cert. Colla (Sassone 19 - Euro 8,000)
