Precious Clay ans Glassfusing Jewlery tools Stamp - Hallmark Stamp Watch this product and we will notify you once it is back in stock. The product is now watched We will notify you once the product is back in stock again. E-mail Watch this product Your personal information is processed in accordance with our privacy policy. Stamp - Hallmark Stamp Stamp your clay while it is still soft to mark your piece as silver. Stamp size 6 mm. Ceramics - Clay Glazes - Decals Tools Acrylic Paints Jewelry production Brands Kilns, pottery wheels and equipment Contact FAQ Policy and cookies Terms and conditions Freight charges About us My pages