Isle of Man
British Dependency. Elizabeth II 5-Piece gold Pattern "Cats" Proof Set 1988 Ultra Cameo NGC,
1) Unadopted "Manx Cat" Crown - PR68, KM-Unl. Cat fully frosted.
2) Unadopted "Manx Cat" Crown - PR67, KM-Unl. Cat partially frosted.
3) Adopted "Manx Cat" Crown - PR66, cf. KM245b (for adopted design with fineness).
4) "Alley Cat - New York City" Crown - PR67, KM-Unl. Cat partially frosted.
5) "Alley Cat - New York City" Crown - PR66, KM-Unl. Cat fully frosted.
An intriguing Pattern set for this well-known modern commemorative series of copper-nickel, silver, and gold issues, each minted in gold and struck without the words "FINE GOLD" and oz. flanking the denomination. Interestingly, the Alley Cat design was not adopted (with an altered background scene of the sea) until 1990 (cf. KM275b). According to our research, this set is entirely unpublished, and may well be unique as such.
https://coins.ha.com/itm/isle-of-man/isle-of-man-british-dependency-elizabeth-ii-5-piece-gold-pattern-cats-proof-set-1988-ultra-cameo-ngc-/a/3091-31163.s?type=CoinArchives3091
HID02906262019
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Estimate: 17000-19000 USD