Classification house and gardentablewarenapkin ring Description Set of 4 napkin rings. There is a blue, green, pink and yellow ring. Each ring has decorative banding on each side. Designers & Manufacturers Designer (Person) Unknown Manufacturer Unknown Object number AIBDC : 009791 Date 1930 - 1939 (circa) Country Unknown Method extruded cut Material casein formaldehyde plastic CF metal Dimensions Height 38mm Depth 14mm Diameter 47mm Colour blue green pink yellow