Elephant shaped sample, 1 of 2 Designer (Person) Unknown Manufacturer Unknown Date 1930 - 1939 (circa)
Tube of Erinoplas cast resin sample Designer (Person) Unknown Manufacturer Erinoid Date 1920 - 1929 (circa)
Yellow tubular section of Catalin Designer (Person) Unknown Manufacturer Unknown Date 1920 - 1959 (circa)