MEXICO. 4 Reales, 1755-Mo MM. Mexico City Mint, Assayer MM. Ferdinand VI. NGC MS-63+. KM-95; Gil-M-4-29; Yonaka-M4-55. The single finest certified of the date on either the NGC or PCGS population reports. This boldly struck minor silver coin boasts strong design features with generous amounts of original mint luster displaying light attractive mottled patina. From the Pat Johnson Collection.