The $50 <a href="https://en.wikipedia.org/wiki/Half-union" class="extiw" title="w:Half-union">Half-union</a>  large head coin (reverse) was struck only as a pattern, designed by <a href="https://en.wikipedia.org/wiki/William_Barber_(engraver)" class="extiw" title="w:William Barber (engraver)">William Barber</a>, <a href="https://en.wikipedia.org/wiki/Chief_Engraver_of_the_United_States_Mint" class="extiw" title="w:Chief Engraver of the United States Mint">Chief Engraver of the United States Mint</a>. This specimen is in the <a href="https://en.wikipedia.org/wiki/National_Numismatic_Collection" class="extiw" title="w:National Numismatic Collection">National Numismatic Collection</a>. Image provided by the NNC specifically for Wikipedia use.
<bdi><a href="https://en.wikipedia.org/wiki/en:National_Museum_of_American_History" class="extiw" title="w:en:National Museum of American History"><span title="history museum in Washington, D.C., a division of the Smithsonian Institution">National Museum of American History</span></a>
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2014-08-14 13:28:30
National Numismatic Collection, National Museum of American History (Image uploaded by <a href="//commons.wikimedia.org/wiki/User:Godot13" title="User:Godot13">Godot13</a>)