Obv: National arms (eagle right with snake in beak, standing on cactus with laurel and oak wreath at bottom) with the legend “Mexican Republic” around and date below
Rev: Denomination within wreath with mint mark Cn, assayer’s initial Q and fineness above
Culiacan Mint KM 404 90.3% Silver (ASW 0.0786 ounce), 18 mm
