Alpaca Silver Bracelet A durable tarnish resistant bracelet handcrafted in Mexico. In excellent condition, this vintage bracelet has been sourced and polished by me and has plenty of life left! Alpaca silver does not rust and retains its shine. If the metal does oxidize it can be restored with standard silver polish and a soft cloth Alpaca Silver is an alloy typically compromised of 60% copper, 20% nickel, and 20% zinc