SWITZERLAND: 50 Franken (1994) in deep olive-green and purple on multicolor unpt. Artist Sophie Taeuber-Arp at upper left and bottom (vertical format) on face. S/N: "94U 0706709". WMK: Taeuber-Arp. Printed by OFZ. Inside holder by PMG "Superb Gem Unc 67 EPQ". Top pop in PMG. (Pick 70a).