George Morgan's Coiled hair design in aluminum. At least 5 are known including the illustrated example from Sotheby's Browning collection. Prior to this, it was offered in Paramount's June 1975 Rare Coin List #10.
The five known include the following sets
1) Maris, Garrett-JHU, Stacks 3/76, Harry W. Bass Jr. Research Foundation, Bowers and Merena 5/99.
2) Woodin 1914 ANS exhibit-Newcomer
3,4) ex Virgil Brand from Adams on 3/13/11 and Boyd on 1/28/21
5) Jackson (U.S Coin 5/13), Elder 2/21
For additional information on this and other patterns for international coinage, click here.
It was also part of a goloid set. To view Morgan's set which included this design, click here.
They were also struck in the following metals.
Gold J1660/P1860 with about 10 known. These were struck from shaved half eagle planchet stock resulting in the coins having striated surfaces.
Copper J1661/P1861 with over a dozen believed to exist.
Photo courtesy of Sotheby's from their Browning sale catalog.