Large brooch by Ole W. Jacobsen

Length 5 cm. Height 3.2 cm. The brooch is stamped 925 sterling silver OWJ for Ole Waldemar Jacobsen and a mark we cannot recognize. Large beautiful brooch with polished natural stone and angular piece of turquoise set in gold. Ole Waldemar Jacobsen had a workshop in Store Kirkestræde in Copenhagen for 50 years, from 1952 to 2002. The brooch is in perfect condition