1866 Shield Nickel. Rays. Proof-65 (PCGS).A fully struck, universally reflective specimen that combines an untoned obverse with a reverse dusted in mottled silver gray iridescence. Popular for specimen type purposes, the 1866 is the first Proof Shield nickel issue and one of only two of the Rays design (the other is the Proof 1867 Rays -- a classic rarity).From The Dr. Andrew Mitchell Collection.