Heritage World Coin Auctions
NYINC Signature Sale 3071 6-7 Jan 2019
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France
Napoleon I gold Obverse Mirror Brockage 40 Francs ND (1807-1813) XF45 NGC, Type of KM688.1, or KM696.1. The mint is unknown. The obverses of these two types are virtually identical, therefore we will list both KM numbers. This is a truly startling error, as gold errors of any type are rare, and a full, bold mirror brockage of this 40 Franc type is possibly unique. The details are superb, with minor contact marks and the brockage side is truly amazing. The only example we have seen.
Ex. Abe Kosoff Estate Auction (Bowers and Merena, November 4-6 1985, Lot 5733, with original auction tag)
HID02901242017
Estimate: 4000-5000 USD
Napoleon I gold Obverse Mirror Brockage 40 Francs ND (1807-1813) XF45 NGC, Type of KM688.1, or KM696.1. The mint is unknown. The obverses of these two types are virtually identical, therefore we will list both KM numbers. This is a truly startling error, as gold errors of any type are rare, and a full, bold mirror brockage of this 40 Franc type is possibly unique. The details are superb, with minor contact marks and the brockage side is truly amazing. The only example we have seen.
Ex. Abe Kosoff Estate Auction (Bowers and Merena, November 4-6 1985, Lot 5733, with original auction tag)
HID02901242017
Estimate: 4000-5000 USD