Emerald brooch by Bettina Bertelsmann, Lüneburg, yellow gold, marked 750, of oval shape with sculpted leaves and with an applied emerald cabochon. Maker's mark. Weight approx. 14.79 g. Bettina Bertelsmann (daughter of Prof. Herbert Zeitner), born 1942 in Berlin Charlottenburg, schooldays in Lüneburg. 1962 - 1967 studied at the Hamburg and Berlin Colleges of Fine Arts under Professors Ehrath and Tümpel. Has had his own workshop since 1968 and has participated in many exhibitions in Germany and abroad. Brooch set with an emerald, in 18 k gold. Manufacturer's mark.