Mintage: Unrecorded; only two known!

Designer: Joseph Wright
Engraver: Joseph Wright

Diameter: ±29mm

Metal Content: Copper

Weight range: 175.5-179.5 grains

Edge: Reeded

Images courtesy of the National Numismatic Collection of the Smithsonian Institution

Notes:
This delicate design type is extremely rare and is represented by only two examples in Copper.  The reverse features a border of 87 tiny stars (apart from the 1794 "Starred Reverse" Cent, this is the only time such a border was used on an American coin).  The example pictured here was used to illustrate the type in Judd's Pattern book.  A second example (ex Bushnell - Parmelee - Brand - Dr. Judd) is said to have a "shattered" reverse die, although no breaks are visible on the coin illustrated in Breen.

See also: 
Two trial pieces were struck in white metal (Judd 13).  Unique, uniface examples exist in white metal of both the obverse and the reverse.

Sources and/or recommended reading:
"United States Pattern, Experimental and Trial Pieces" by J. Hewitt Judd, M.D.

"Walter Breen's Complete Encyclopedia of United States and Colonial Coins" by Walter Breen

"The U.S. Mint and Coinage" by Don Taxay

"United States Pattern, Experimental and Trial Pieces" by Dr. J. Hewitt Judd