Watch List notes:

Guerrero, Mexico, silver-and-gold 1 peso, 1915. KM-672. 14.29 grams. Struck by Emilio Zapata's forces in Taxco, Guerrero, and containing 0.300 gram of fine gold (a way of off-setting the reduced silver content versus federal issues). Cleaned VF, some rim dings and old scratches, spotty gold toning.

Estimate: $100-150