Brooches by Debbie Long This circle silver brooch is made using a unique technique I have developed folding and forging metal. Features Primary Material : silver Pin Type : pin Dimensions (mm) : 66x66x5 One of a Kind : No Hallmarked : No Cleaning InstructionsClean with a solution of baking soda and lemon juice or white toothpaste using an old toothbrush. Alternatively use a silver cloth. Remember to rinse and dry thoroughly.