MEXICO. 4 Reales, 1855-Mo GF/GC. Mexico City Mint. NGC MS-63.
KM-375.6. Lustrous and smooth in the fields with rich copper russet toning accepts that impart a wonderfully wholesome appearance on both sides. The single finest certified by either NGC or PCGS with the second finest, an NGC-grade MS-62, bringing $2,000 hammer in our March 2011 auction.
Ex: Richard Ponterio Collection.