Stamped “Tiffany & Co.” & “.925”. The Pendant Is .925 Silver, Chain Is Silver Plated. Pendant Is From Tiffany & Co, Chain Is Not. Condition -Pendant: 10/10, Brand New -Chain: Brand New Measurements -Pendant: 10mm -Chain: 20” 1.5mm Width (Upgraded Chain) 100% Authentic. Returns Not Accepted. Let Us Know If You Have Any Questions