Nickel 1866 Proof J-495 PCGS 65 BN Pattern Gem brown Proof. Attractive medium mirrored brown surfaces. Listed in Judd as a High Rarity 7 pattern and a known population of three pieces, PCGS has certified a total of three patterns of which two are at this level with none finer. This encapsulation features a green CAC hologram label, indicating the coin has met CAC's grading standards.