Baking soda finally did the trick on the Walking Liberty. Worcestershire cleaned what was left of the Buffs. The toasted Indian head got hot peroxide about all day. Thanks for looking.
Wish I had a good camera to take pics with, but under a magnifying glass my wife and granddaughter and myself all say it says 1873, but it's still in rough shape. One of the buffs under a magnifier is a 1913 D type 1 with the mound instead of the straight line. Very faint date, but you can still see it.