Watch List notes:

Mexico City, Mexico, gold 1000 pesos, 1988, 50th anniversary of the nationalization of the petroleum industry, very rare, NGC MS 63.KM-535; Fr-189. Brightly lustrous (prooflike) with touch of graininess, sharp full details, apparently one of only three graded by NGC and very rarely offered for sale. The portrait on obverse is that of President Lazaro Cardenas, who nationalized the old industry in Mexico in 1938.
($2000-3000)