MEXICO. 20 Pesos, 1866-Mo. Mexico City Mint. Maximilian. NGC AU-58. Fr-62; KM-389. A popular type from the brief, French-backed Empire of Maximilian, this large gold issue exhibits just the slightest degree of handling along with wholesome, problem-free surfaces that yield a subtle matte nature. The color is a rather dazzling golden-orange, while the lustrous brilliance radiates seemingly throughout.