MEXICO. 8 Reales, 1756-MoMM. Ferdinand VI (1746-59). NGC EF Details--Environmental Damage.
KM-104.2; Cal-type-86#340; Gil-M-8-32; FC-32a. Evidence of environmental damage, areas of dark toning. NGC EF Details--Environmental Damage.
From the David Gray Collection. Purchased from Frank Sedwick April 30, 1993.