Brooches by John & Dawn Field This Japanese fan pattern brooch is made from sterling silver and measures 45mm in diameter, it is slightly domed in shape and features a 10mm Aqua Chalcedony gemstone. We have designed our own fan pattern and this has been deeply embossed into the silver to create a beautiful surface pattern. Our maker's mark 'J&DF' and a '925' sterling silver mark are stamped into the silver on the back of the brooch.This brooch is available with a choice of gemstones which are Aqua Chalcedony, Garnet, Amber, Turquoise, Amethyst, Blue Chalcedony, White Moonstone, Peridot Quartz lab. grown and Blue opal triplet, lab. grown. Please select from the 'Finish' drop-down menu. Features Primary Material : Sterling silver Other Materials : Aqua Chalcedony Pin Type : pin Dimensions (mm) : 45 One of a Kind : No Metal : Sterling silver Gems : Aqua Chalcedony Hallmarked : No Cleaning InstructionsThis brooch has been finished with a clear, protective, anti-tarnish coating.