Woolaston Industrial and Provident Society milk tokens Designer (Person) Unknown Manufacturer Unknown Manufactured for Woolaston Industrial and Provident Society Date 1950 - 1969 (circa)
Gloucester and Severnside Co-op milk tokens Designer (Person) Unknown Manufacturer Unknown Manufactured for Co-op Date 1950 - 1969 (circa)
Central Midlands Co-op milk tokens Designer (Person) Unknown Manufacturer Unknown Manufactured for Co-op Date 1950 - 1969 (circa)
Summa Prima 20 adding machine Designer (Person) Nizzoli, Marcello Manufacturer Olivetti Date 1960 - 1969 (circa)
Addiator mechanical calculator Designer (Person) Unknown Manufacturer Kingson Date 1960 - 1979 (circa)