Half union

The Half union (separate varieties known as J-1546 through J-1549[1]) was a United States coin minted as a pattern, or a coin not approved for release, with a face value of fifty U.S. Dollars. It is often thought of as one of the most significant and well-known patterns in the history of the U.S. Mint. The basic design, featuring Liberty on the obverse, was slightly modified from the similar $20 "Liberty Head" Double Eagle, which was designed by James B. Longacre and minted from 1849 to 1907.

Half union
United states
Value50 US Dollars
Mass83.58 g
Diameter50.80 mm
EdgeReeded
Composition90% Au
10% Cu
Years of minting1877
Mint marksNone (half union patterns were minted at the Philadelphia Mint)
Obverse
DesignLiberty
DesignerWilliam Barber
Design date1877
Reverse
DesignEagle
DesignerWilliam Barber
Design date1877

Today, two gold specimens belong to the Smithsonian. No others are known to exist. There are also copper specimens of the coin that can go for more than $300,000 in PF-65 condition. The Half Union was never released for circulation.

Some Half Unions can have a somewhat smaller or larger head than others.

History

In 1877, famed Chief Engraver of the Mint at the time, William Barber, designed the coin. William Barber also designed several other coins, such as the "Amazonian Quarter" pattern, the short-lived Twenty Cent Piece, and the Trade Dollar. The coin was designed to weigh roughly 2.5 ounces and be made of solid gold. Had it been made for circulation with the general public, the coin would have been the highest valued gold coin ever made at the time, with a face value of fifty dollars. As it is a pattern, it was never struck for circulation and all other known presentation versions were made of copper or sometimes various gilded metals. Only two examples were actually struck in gold, and today both reside in the Smithsonian.[2]

However, the half-union denomination did resurface in the form of a $50 commemorative coin released in 1915 to commemorate San Francisco, the Panama–Pacific commemorative coins. Some of the coins were octagonal, others round, making it the first and only time the United States Mint has ever released a coin that was not round.

Commemorative coin

In 1915, a gold commemorative coin was issued in $50 denomination, the Panama–Pacific half union. It was minted in round and octagonal varieties, the latter being the only United States coin issued to date that is not round.

References
  1. Judd, J. Hewitt (2009). Bowers, David Q. (ed.). United States Pattern Coins (9 ed.).
  2. 1877 $50 J-1546 (Proof). PCGS Coin Facts (PGCSCoinFacts.com). Collector's Universe, 2016.


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