We are a wholesale brokers for all cathode grades. Certification can be provided. Minimum order quanities are 50 c/mt + We can offer various grades, Cbm, FHG, BRX, BK, HK others maybe available depending on supply availablity to us. We also have granual forms of silver with certification, grade quality 99.99%. Minimum quantity of 100Kg - 500Kg. All stock can be inspected at our logistics prior to delivery. Stock availablity in UK.