Brooches by Miranda Sharpe Oval, dish shaped brooch in green enamel with touches of red and yellow. Gold leaf and silver details with a double pin. Features Primary Material : silver Other Materials : gold leaf and vitreous enamel Pin Type : double pin Dimensions (mm) : 45x65x5 One of a Kind : Yes Metal : sterling silver Hallmarked : Yes Cleaning InstructionsThe main section of the Petri Green Brooch is silver sheet enamelled with vitreous enamels on both sides. The rear is enamelled with an opaque white enamel and the the front with a transparent green. The surface of the silver is engraved beneath the enamel and detail is added with blue painting enamel and spots of pink and yellow enamel. The layers are built and worked in between firing to achieve the detail. Each of the additional circles has a 5mm hollow depth, the surface of the silver subtly textured and one has a layer of 18ct lemon yellow gold leaf.