MEXICO, United States of Mexico. 1905-pres. AV 20 Pesos (27mm, 6h). Mexico City mint. Dated
1921/11. Eagle standing left on cactus in lake, wings spread, grasping snake in beak and right talon; all atop laurel and oak wreath / Aztec Sun Stone. BW 655; KM 478; Friedberg 171. In PCGS encapsulation 42043581, graded MS 64.
