p55a: 20 Franken from 1978

1978 (52, 53, 54). Blue and multicolor. Horace-Bénédict de Saussure at right, hygrometer at left. Similar to #54, but underprint at upper margin on face goes to the margin. Back: Fossel and early mountain expedition team hiking in the Alps on vertical format. Watermark: Horace-Bénédict de Saussure. Printer: OHZ.

• Country & Pick Number:Switzerland p55a
• Denomination & Currency:20 Franken
• First Year of Issue:1978
• Issue Type: Regular Issue