1076303 | GERMAN STATES. Mainz. Napoleon III of France. 1855-61 (ND) AV Essai or Medallic Double Thaler. NGC PR64UCAM (Ultra Cameo).
By Ferdinand Korn. NAPOLEON III EMPEROR OF THE FRENCH. Head of the French Emperor left, signed F.KORN below truncation /
GOD / PROTECTION / EMPEROR / AND / REICH, below IN MAINZ. Inscription on five lines within wreath. Maz.-1748B; VG-3588.
Extremely rare in gold. At the beginning of the 1860s the medalist Ferdinand Korn, who lived in Mainz, commissioned the Frankfurt mint to strike this "double thaler coin" to recommend to the Emperor. The Senate of the city promptly forbade this undertaking, resulting in a very scarce issue.
Please use this link to verify the NGC certification number 4425351001