Looks like a BF12 but hard to tell in the photos, some acetone applied to the coin may help dislodge some of the darker gunk, and make any die breaks/scratches easier to ID.
"Buy the Book Before You Buy the Coin" - Aaron R. Feldman - "And read it" - Me 2013! ANA
Life Member #3288 in good standing since 1982, EAC Member #6202, NBS Member, 2¢ variety collector.
See my want page: http://goccf.com/t/140440