SA 75th anniversary in Switzerland, various anniversaries.
Issued 05.03.1958
Postmark: Berna (Italian PM)
Cachet: Four motives, one for each stamp (red/blue)
Stamps: Stanley Gibbons 587 – 590 – SA stamps is no. 590
Size: 162 x 114 mm
Remarks: Registered cover (286 – Annahme – Berne)