Costa Rica, brass 10 centavos, 1917, GCR to right, NGC AU 50, finest known in NGC census, ex-Fred Mayer (stated on label). KM-149.2. Bold strike, no noticeable wear but lacking luster and color, slightly cupped flan as usual, and weak rims (as made). NGC #4687761-012. Note: See the Express section of this auction (lots 1863-4) for the two other varieties in this denomination for the post-WWI transition to base-metal coinage as well as an exceptional 1875 10c of the prior design (lot 1860) from the same collection. Pedigreed to the Fred Mayer collection.
Estimate: $200-300