Brooches by Iona McCuaig Silver postage stamp brooch of King George VI. Designed and handmade by scottish jewellery designer Iona McCuaig. Features Main Material : silver Pin Type : pin Dimensions (mm) : 27x22x7 One of a Kind : No Metal : silver Hallmarked : No Cleaning InstructionsRub a small amount of bees wax with a soft clean cloth to maintain oxidised finish.