Silver (chemical symbol Ag, from the Latin argentum) is a precious metal long used for coinage. It is a bright white, malleable metal with good corrosion resistance, though it often tarnishes over time by reacting with sulfur compounds in the air. Historically, silver was widely chosen for circulating coins since the 6th century BC for its intrinsic value and ease of striking, in purities ranging from high-fineness issues to debased alloys depending on monetary policy and supply. Silver remains widely used today for collector and bullion coinage.
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