Switzerland: Jacques Edwin Brandenberger (1872 – 1954) was a Swiss chemist and textile engineer who invented cellophane in 1908. bronze medal by Louis Muller
marked BRONZE on edge with triangular manufacturers mark
50.5mm in box of issue
Switzerland: Jacques Edwin Brandenberger (1872 – 1954) was a Swiss chemist and textile engineer who invented cellophane in 1908. bronze medal by Louis Muller
marked BRONZE on edge with triangular manufacturers mark
50.5mm in box of issue