Unknown to Frank Sedwick until 1990 and rated by him as RRRR, the 1866 Bogotá Large Head 10 Pesos appears to have a total population of just a handful of specimens. The discovery piece was in the Sothebys Geneva sale of May 1990, and this one was in the 1997 Norweb sale. Choice medium yellow gold with coppery highlights around design elements and peripheries. Attractive and very rare. From the Eldorado Collection of Colombian and Ecuadorian Coins.<p>From Spink Americas sale of the Norweb Collection, March 1997, lot 583.