Classification house and gardentablewarecutlery Description Box set of six butter knives with green handles in a black box with blue lining. Designers & Manufacturers Designer (Person) Unknown Manufacturer Unknown Object number AIBDC : 009793 Date 1930 - 1939 (circa) Country Unknown Method extruded cut Material casein formaldehyde plastic CF metal EPNS textile wood Dimensions Width 205mm Height 155mm Depth 25mm Colour green blue black