Brooches by Debbie Long This circle copper brooch is made using a unique technique I developed folding and forging metal. The surface of the copper is oxidised producing warm red tones. Each piece is individual. Features Main Material : copper Pin Type : pin Dimensions (mm) : 60x60x5 One of a Kind : No Hallmarked : No Cleaning InstructionsThe surface colour will develop over time. If necessary wash with soapy water. Remember to be rinse and dry thoroughly.