This was designed by Peter Getz who was commissioned by Robert Morris. The piece is also listed as Baker 24 by collectors of Washingtoniana.
Silver examples are considered to be half dollars and copper ones are considered to be one cent pieces.
They were struck on follows:
Plain edge - Breen 1348 and 1349 P5005 with about a dozen or so believed to exist. Some are overstruck on other coins.
Ornamented edge with circles and rectangles - Breen 1350 P5010 with only about a half dozen or so believed to exist.
Twin leaf edge as on continental dollars - Breen 1351 P5005 with only 3 confirmed including the illustrated piece discovered in July 2004 in the Kunsthistorisches Museum in Vienna, Austria by Richard Doty. It was the gift of S. Schwarz in 1920.
This kind of item is generally not collected as a pattern but is instead collected by colonial and Washingtoniana specialists. Additional information can be found in Stacks 5/2004 John Ford sale.
Photo courtesy of Kunsthistorisches Museum in Vienna Austria and Richard Doty.