Classification fashion and costumejewellerybrooch Description A small brooch modelled on a woman cycling, made circa mid 20th century from green coloured cellulose acetate with gold highlights. Designers & Manufacturers Designer (Person) Unknown Manufacturer Unknown Object number AIBDC : 009393 Date 1930 - 1969 (circa) Country Unknown Method unknown Material plastic CA brooch front cellulose acetate metal pin Dimensions Width 43mm Height 35mm Depth 10mm Colour green gold