SWITZERLAND 1920 7½c Pro Juventute “FRO” variety, Michel 153 I, fine cds used

SWITZERLAND 1939 Zurich National exhibition, part coils of the 5 cent green SG 394 F/I (190) and of the 10 cent brown SG 395 F/I (280), never hinged mint. Each fifth stamp with a control number N. (approx 470 stamps).