The product is an 1836-ZS-OM 8 Reales coin minted in Zacatecas, Mexico, during the First Republic period. It is made of silver with a fineness of 0.9 and has a choice AU+ grade. The coin features a unique KM#377.13 catalog number and is uncertified. This historical piece offers a glimpse into the coinage of Mexico during the early 19th century and would be a valuable addition to any numismatic collection focusing on this time period.