||1879 50C PR62 NGC. WB-101. Ex: "Col." E.H.R. Green. This deeply mirrored proof shows significant brilliance on the reverse, while the obverse displays shades of reddish-blue toning. The strike details are complete throughout, and there are no distracting contact marks on either side. Ex: "Colonel" E.H.R. Green; Green Estate; Partnership of Eric P. Newman / B.G. Johnson d.b.a. St. Louis Stamp & Coin Co.; Eric P. Newman @ $6.00; Eric P. Newman Numismatic Education Society.
Realized $940.00 . Description courtesy of Heritage Auctions, ha.com.