David Hall: The Smithsonian example is a 45/50 coin, and very attractive for the grade.David Akers (1975/88): Without question this is one of the rarest and most famous of all Double Eagles. It is by far the rarest CC-Mint twenty and it is surpassed in overall rarity among all regular issue Liberty Heads only by the 1861 Paquet, the 1856-O, and the business strikes of 1882 and 1886. The 1870-CC is similar in rarity to the 1854-O and business strikes of 1881 and 1885 and just a little less rare than the proof-only 1883 and 1884. From the standpoint of condition rarity, the 1870-CC is one of the rarest, if not the rarest, dates in the entire series. I have never seen a full AU and the typical 1870-CC is only F or VF with a heavily bagmarked, prooflike surface. Q. David Bowers ahs written that ha handled a mint state 1870-CC many years ago and so that specimen is undoubtedly the finest known example of this rare date by a considerable margin.
Doug Winter - Nevada Collection - Universal Coin and Bullion, sold privately in 1999 - Bowers & Merena 6/2002:2371, not sold - Heritage 1/2004:3129, $368,000 - Donald E. Bently Collection - Heritage 3/2014:30435, $411,250
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