Mexico, El Banco de Aquascalientes, 20 pesos, 1-5-1907, series B, serial 12012, Frampton Plate. Pick-S103b, Frampton-M53b. VF+ note with folds, some soiling and two holes in center, but a nice serial number. Plated in Mexican Paper Money (2010 ed), by Cory Frampton. ($600-900)