Switzerland Official ILO 3O105-3O109

Switzerland Official 3O105-3O109, MNH, $8.00. Michel ILO 105-109. International Labor Bureau, 1975-1988. Young man at lathe, cogwheels; Woman at drilling machine; Welder ald lab assistant using protective devices and clothing; Surveyor with theodolite and topographical map; Professional education for youth.