This ring is made from a 1961 1 peso coin. The coin is billon which is an alloy of gold or silver with base metal. In this case, the coin is 10% silver, 70% copper, 10% nickel and 10% zinc. The ring is a size 11.5 and the band width is 8.2mm. The coin is finished with an aged patina. The ring can be sized up or down, up to one full size. It can also be finished with a natural polish finish.