The repunched mintmark is legit, and a nice one too! FS-501/RPM-001, nice find!
http://varietyvista.com/03%20Buffal...6SRPM001.htm
However the doubling on the obverse is only Machine Doubling. Letters and numerals have decreased in size, flat doubling, and lack of notches.
http://varietyvista.com/03%20Buffal...6SRPM001.htm
However the doubling on the obverse is only Machine Doubling. Letters and numerals have decreased in size, flat doubling, and lack of notches.


























