💥 𝔳𝔦𝔫𝔱𝔞𝔤𝔢 gold and sterling silver ring

Sterling silver ring with 12k gold filed parts. Signs of age and wear 1/20 = 0.05 (or 5%) 100g x 0.05 = 5g 12K = 12/24 = 0.5 (or 50%) 5g x 0.5 = 2.5g of pure gold.