SA 75th anniversary in Switzerland + various anniversaries
Issued 05.03.1958
Postmark: Bern (German text) – Sent to the US, extra “custom declared” PM + backside PM Los Angeles
Cachet: Hand stamp (green/brown)
Stamps: Stanley Gibbons 587 – 590 (SA stamps is no. 590)
Size: 162 x 114 mm