The product is a 1957 Paraguay stamp issue featuring a tribute to heroes and flags, with a denomination of various values. The stamps are airmail and in mint never hinged quality, featuring multi-color designs. The stamps are related to historical figures, with a country of origin of Paraguay and an uncertain certification. This collectible set pays homage to the patriotic symbols and figures of Paraguay, making it a valuable addition to any stamp collection or Latin American memorabilia assortment.