The Survival Estimate represents an average of one or more experts' opinions as to how many examples survive of a particular coin in three categories: 1) all grades, 2) 60 or better, and 3) 65 or better. These estimates are based on a variety of sources, including population reports, auction appearances, and personal knowledge. Survival estimates include coins that are raw, certified by PCGS, and certified by other grading services.
Numismatic Rarity
Numismatic Rarity converts the Survival Estimate for a particular coin into a number from 1 to 10 (with decimal increments) based on the PCGS Rarity Scale. The higher the number, the more rare the coin.
Relative Rarity By Type
Relative Rarity By Type ranks the rarity of this coin with all other coins of this Type. Lower numbers indicate rarer coins.
Relative Rarity By Series
Relative Rarity By Series ranks the rarity of this coin with all other coins of this Series. Lower numbers indicate rarer coins.
David Akers (1975/88):
The 1878-CC is a rare date in all grades; in fact, it is the fourth rarest CC-Mint Double Eagle, just nosing out the lower mintage 1879-CC. Virtually all known specimens grade in the F to EF grades and a strictly graded AU is a rarity. In full mint state, the 1878-CC is extremely rare and the few known uncs, with one notable exception, are barely Unc-60. The one exception is a borderline gem that came out of Europe in the 1960's and was sold by Max Humbert to a collector, Milt Kaufman. Kaufman's collection has since been sold and I do not know the present whereabouts of the coin. I have never heard of another 1878-CC near that grade and so the Kaufman specimen may well be the finest 1878-CC in existence. As a further testimonial to its condition rarity, it can be noted that the 1878-CC ranks in the top 10% of the entire Double Eagle series according to rarity by average grade.
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