Elizabeth II Proof Mint Error - Double Struck Flipover "Spirit of the Generations" 15 Dollars 1992 PR68 Ultra Cameo NGC, Royal Canadian mint, KM215. An exceptionally rare mint error in which the planchet flipped in the press and was struck again, leaving the obverse impression on the reverse, and vice-versa. Such errors are quite rare for the Royal Canadian mint, which employs the strictest quality standards, meaning this example truly could be one-of-a-kind.

HID99912102018