'Emerald & diamond set 18ct yellow gold brooch by Otto Poulsen, signed & marked 18ct. Approx weight 7 grams, 40 x 25 mm. 3 x emeralds carre cut 2.4 mm, 2.7 mm, emerald cut 3.3 x 2.8 mm, 5 x rbc diamonds. Note. Otto Poulsen was a Danish trained South African goldsmith who worked with renowned designer Henning Koppel and Company Georg Jensen'