Silver Plated Rings

Unless the object is more than one hundred years old or the hallmark has worn away, all fine jewellery should be hallmarked. The hallmarks 18K, 14K, 10K, 750, 585, and 375 denote the purity of the gold. Platinum is typically hallmarked with the numbers 950, PLAT, or PLAT. 925, The metal silver 800, and Sterling are all well-known silver hallmarks.