KM-Tn31; Maz-145; Gad-1.5. Diameter: 39 mm. By Droz & Dupre. Obverse: Oath scene of the Fete de la Federation, dated 1790 with "VIVRE LIBRES OU MOURIR" in legends surrounding; Reverse: Eight-line legend citing value and exchange for assignats (currency) of 50 livres and lower, date of the Republic and "MONNERON FRERES NEGOCIANS A PARIS" in legends surrounding. Comprised of strong details and deep, somber brown patina on both sides, with accents of mint red seeming to delineate the obverse devices.