Watch List notes:

Costa Rica, brass 10 centimos, 1920, GCR to right, ex-Mayer. KM-152. 1.95 grams. Nice brass color with luster and incipient toning, UNC grade, most likely with lacquer removed, with usual die-crack on date and die-erasure in blank area in legend at 7 o'clock on reverse. Pedigreed to the Fred Mayer collection.

Estimate: $125-200