The mint was officially opened in 1773, primarily to produce. Support local commerce and trade, particularly in. The provinces of Sinaloa and Durango. Silver 8 Reales was. Most recognizable coins in the world. In the 19th century, featuring the iconic radiant cap and rays design. This beautiful example was struck at the Culiacan Mint over. Obverse features an eagle perched atop a cactus. Reverse features a radiant cap. Coins from the Mexico. Mint feature the Mo mintmark. Weight: 26.90 Grams, Diameter: 38.70 mm. Thank you for looking. Be sure to add letsshop626 to your. Check out our other items.