According to
http://wiki.answers.com/Q/Syracuse_Arms_Co_shotgun, Syracuse Arms Company guns were made in two series -- the stock guns, which had grades designated by numbers 00, 0, 1, 2, and 3; and the special order guns which had grades designated by letters, A, A-1, B, C, and D. List prices in the 1902 catalogue ranged from $30 for the 00-Grade with Triplet Steel barrels to $475 for the D-grade with either Whitworth Fluid or Damascus barrels.