Watch List notes:

SWITZERLAND: 50 Franken (1978) in green and multicolor. Konrad Gessner at right on face. S/N: "78C 0171721". WMK: Konrad Gessner. Signaturs by Galli & Schurmann. Printed by OFZ. Inside holder by PCGS "CHOICE AU 58 PPQ". (Pick 56a).