Green Thermo-Plastics plate Designer (Person) Unknown Manufacturer Thermo-Plastics Date 1960 - 1969 (circa)
BlueThermo-Plastics plate Designer (Person) Unknown Manufacturer Thermo-Plastics Date 1960 - 1969 (circa)
Rectangular red plate Designer (Person) Unknown Manufacturer Thermo-Plastics Date 1960 - 1969 (circa)