Watch List notes:

Buenos Aires, Argentina (National Bank), copper 20 decimos, 1830, encapsulated NGC AU 58 BN, tied for finest known in NGC census, ex-Roberts. Janson-4.2; KM-5. Traces of original color and luster on fields. The KM plate coin is F-VF at best; all catalogs only price to XF level, and no other near-MS examples have been noted on the US market (not even in Lissner or Norweb). Pedigreed to the Dana Roberts collection. ($700-1000)