Red and white marbled ashtray Designer (Person) Unknown Manufacturer Unknown Date 1930 - 1939 (circa)
Plastics & Rubber Laboratory ashtray Designer (Person) Unknown Manufacturer Unknown Date 1920 - 1952 (circa)
Promotional ashtray sample Designer (Person) Unknown Manufacturer Thermo-Plastics Date 1950 - 1969 (circa)
Ashtray with matchbox holder Designer (Person) Unknown Manufacturer Insulators Date 1934 - 1939 (circa)