Page 109 - Celebrating Swiss Independence

1960 Rocks, Crystals & Fossils

Designers: For the Professional Printed by Courvoisier
H. Kumpel (50c.), Advancement of Youth on smooth paper with
N. Stoecklin blue and red silk fibres.
50c. recess printed by
the PTT. Perf 11¾.

Smoky quartz, often Common Feldspar
containing gold (Orthoclase)

Symbols of professional
groups

Fossilised shellfish Azurite, a basic copper
(Gryphaea) carbonate

31 December 1960: cover addressed to West Berlin, Germany, and posted at the main office
in Basel. Franked with a 50c adhesive of the National Festival issue for the overseas letter rate.

The overseas rate for a 20g letter was increased from 40 to 50c on 1 April 1959