Sterling silver is an alloy of silver containing 92.5% by weight of silver and 7.5%
by weight of other metals, usually copper. The sterling silver standard has a
minimum millesimal fineness of 925. ... or "stout", by analogy with the Byzantine
solidus, originally known as the solidus aureus meaning "solid gold" or "reliable
GHIDBK Genuine 925 Sterling Silver Solid Rings For Women ...