p54: 20 Franken from 1978

1978 (52, 53, 54). Light blue on multicolor underprint. Horace- Bénédict de Saussure at right, hygrometer at left. Underprint on face ends 2mm before the margin, only plain blue underprint visible within the 2mm. Back: Fossel and early mountain expedition team hiking in the Alps. Watermark: Horace-Bénédict de Saussure. Printer: OHZ.

• Country & Pick Number:Switzerland p54
• Denomination & Currency:20 Franken
• First Year of Issue:1978
• Issue Type: Regular Issue