In Cozzens & Girardi, eds., "The New Annals of the Civil War" (Stackpole, 2004), pp. 282-293, is an article by Col. William W. Wood, 14th VA Infantry, "Pickett's Charge at Gettysburg," reprinted from Phil. Weekly Times 1, No. 24, August 11, 1877. On p. 289 the writer describes actions of Maj. James E. Dearing, chief of arty for Pickett's div, who had boasted that the flag of his battalion would not touch the ground that day. (His flag-bearer, at his side, had his horse killed; Dearing grabbed the flag before it went down and carried it himself through the action.)

Assuming this correct, was it usual for an arty battalion to have a distinctive flag? What would it have been in this case?