This is the so-called "sprung die" variety with the bulge through the obverse. Vine and bars edge.
Collected by Sidney A. Wien (1902-1962), Atlanta, Georgia, between the mid-1940's and 1962; by descent to his daughter, Claire W. Morse, in 1962; to the MFA in November 2004, gift of Claire W. and Richard P. Morse.
The Sidney A. and Ellen M. Wien Collection—Given in their memory by Claire W. and Richard P. Morse
U.S. Federal Issue, 1793