Switzerland 1879 40c Grey SG66 + 2c SG61 BERN Boxed D/S Mineral Water Postcard

Description

A fine 40c Grey SG66 and 2c Bistre SG61 cancelled by a very fine BERN boxed datestamp ‘BERN/30 IX 79’ on an advertising postcard for Muller&Rooschuz Mineral Water of Bern. Back-stamped ‘SIGNAU/1X79’. Crease through postcard. but stamps fine. A rare and interesting item.