Watch List notes:

MEXICO: Republic, AE 2 centavos, San Luis Potosi State, 1890, KM-NC18, contemporary private pattern, NGC graded MS65 RB. In 1890, the German firm of L. Chr. Lauer of Nuremberg issued a series of patterns for Mexico in copper and copper-nickel. Twenty-one designs were struck, all with a common obverse with different reverses for the various states and one commemorating the 80th anniversary of Mexican independence.

Estimate: 200-300 USD