Georg Jensen - an enamel brooch, with purple enamel on an abstract 'amoeba' form panel, fitted with hinged pin stem and roll-over safety catch, designed by Henning Koppel, No. 307, post-1945 maker's mark, HK maker's mark, stamped as 925, overall measuring 6.1 x 3.8 cm, total weight of item 28.6 grams.