PTT – Olma St. Gallen – 09 – 19 October
Date: 17.10.1958
Postmark: Schweiz Automobil Postbureau
Stamps: Anniversaries 1958 – Stanley Gibbons 587 -590, SA stamp is SG 590
PTT – Olma St. Gallen – 09 – 19 October
Date: 17.10.1958
Postmark: Schweiz Automobil Postbureau
Stamps: Anniversaries 1958 – Stanley Gibbons 587 -590, SA stamp is SG 590