Watch List notes:

San Luis Potosi, Mexico, Banco de San Luis Potosi, 1,000 pesos front proof, no date (1897-1913). Frampton-M490p; Pick-S405p. Both uniface. Choice UNC proof mounted on a large piece of cardstock with no problems on note or cardstock plus a pencil printer's notation "1900" on back. (Estimate: $700 - 1000)