Lever fill Burnham fountain pen Designer (Person) Unknown Manufacturer Burnham Date 1930 - 1939 (circa)
Burobedarf typewriter ribbon box Designer (Person) Unknown Manufacturer Greif-Werke Manufactured for Burobedarf Date 1940 - 1949 (circa)
Solar powered calculator promoting Barclays Bank Designer (Person) Unknown Manufacturer Unknown Manufactured for Barclays Bank Date 2004 (circa)