Compania Minera El Barreno y Anexas S.A. (San Luis Potosi)
En el Cerro de San Pedro, Estado de San Luis Potosi, Mexico. Dated Mexico, 16 de Julio de 1910, for one share of $20 Pesos. Issued and uncancelled, certificate is in very good condition, with fold marks, and all 50 coupons attached. 26 x 22 cm.