Unique - according to George Eckfeldt’s journal, this coin was struck on 8/2/1863
Colonel Mendes I. Cohen Collection - Edward Cogan 10/1875:1339, $17 - Heman Ely Collection - W. Elliot Woodward 1/1884:590 (as Raw Proof, “exceedingly rare, the only exa,ple that I have ever seen”) - W. Elliot Woodward 10/1884:1999 (as Raw Proof, “The only one in gold that I have ever seen or heard of”, $22 - T. Harrison Garrett Collection - Robert Garrett Collection - John Work Garrett Collection - Johns Hopkins University Collection - Bowers & Ruddy 3/1980:1088, $57,500 - Bob R. Simpson Collection
This is not from the A. Dohrmann Collection as claimed by W. Elliot Woodward in the 10/1884 sale of his (Woodward’s) personal coins. The Dohrmann example (Woodward 3/1882:463) was bronze.