Grey marbled Platignum propelling pencil Designer (Person) Unknown Manufacturer Platignum Date 1920 - 1929 (circa)
Duro-Point No.2 propelling pencil Designer (Person) Unknown Manufacturer Conway Stewart Date 1920 - 1929 (circa)
Imperial 220 Designer (Person) Unknown Manufacturer Litton Industries Manufactured for Imperial Date 1972 (circa)
Letter Opener SS-20 calculator Designer (Person) Unknown Manufacturer Unknown Date 1980 - 1989 (circa)