PERU 1 Sol "FIRME Y FELIZ POR LA UNION" Silver Coin - £ FOR SALE! Here we have this beautiful excellent condition Peruvian 1 Sol silver coin. Jan 26, - Find many great new & used options and get the best deals for Peru Dinero, at the best online prices at eBay! Free shipping for many. Peru minted these nice-looking coins in silver between and Original inquiry: face reads 'firme y feliz por la union' around a central device of a.