Mexico, El Banco Minero (Chihuahua), 10 pesos Centenario issue, 1910, series V.3, serial 73746. Pick-S171a, Frampton-M134. XF+ with minor half-inch tear at right margin but no major folds or stains and bold national colors on the reverse. This note and the next lot represent the first commemorative banknotes in the world, these commemorating the centenary of the Mexican Revolution. ($1250-2000)