nice find and looks in good shape
i tried to fix lighting to see,not so good,i cant fig which cw Union Infantry I Officer's button it is
im almost sure that is what your button is,better pics to fig which one though,if im wrong one of
the button folks will correct me and ID
ive never looked up the history on Stones River,but have read here and elsewhere,it would be a
preemo hunt spot
Union Buttons
not so good img fix
View attachment 707931