This rare 1966 Guatemala 25 Centavos coin features a double die error on the obverse side, making it a unique addition to any coin collection. The denomination is 25 Centavos and the coin's composition, fineness, and certification are uncertain. The color is shiny and the grade is ungraded. The certification number is unknown and the KM number is also uncertain. This coin was minted in Guatemala and is a variety that is highly sought after by collectors. Despite its circulated or uncirculated status being unknown, it is a valuable and interesting find for any coin enthusiast.