Uncirculated Condition Dated 1945 - Present Uncirculated Condition. Great Price! Like its little brother the 2 peso, these coins have been one of the more popular world gold pieces since the mid 20th century. Each 2 1/2 Peso is in full choice brilliant uncirculated condition. Specifications: Weight: .0602 ounces of pure gold. Fineness: .900 fine. Diameter: 15.5 millimeters. Edge: reeded |