Guidon of the 22nd Independent Battery, O.V.L.A.

This is a photograph of a guidon of the 22nd Independent Battery, Ohio Volunteer Light Artillery. It is a swallowtail flag representing the 34 states of the union as of the beginning of the Civil War. The stars are on a blue square circle with 12 in the inner circle, 18 in the outer circle and one in each of the 4 corners. This flag is not cataloged