(Médaille commémorative de l'expédition du Mexique). Instituted in 1863. In silver, engraver marked "BARRE" on the obverse, hallmarked with an eagle's head on the reverse, measuring 30.5 mm in diameter, dark patina on the obverse, the reverse exhibiting tarnishing, contact marks overall, original ribbon with an embroidered design bearing the Mexican eagle with snake, very fine.
Footnote: The Expedition to Mexico Commemorative Medal was instituted on August 29, 1863 and awarded for service in the Mexican Expedition of 1862-1863.

