Brooches by Debbie Long This spiral copper brooch is created using a unique folding and forging technique I have developed. The surface of the copper is oxidised and therefore has rich warm tones. Every piece is individual. Features Primary Material : copper Pin Type : pin Dimensions (mm) : 50x50x14 One of a Kind : No Hallmarked : No Finish : polished Cleaning InstructionsThe surface colour will develop over time. If necessary wash with soapy water. Must be rinsed and dried thoroughly.