This is a used 1916 1917 Cadillac Tire Jack.  Rare to find a good working jack in any condition.  There is some pitting and surface rust.  Signs of wear but still looks to be in usable and good condition.  The Buckeye Jack MFC Co. Alliance Q.  Part numbers 011.5XF, 011-5.A and Pat. D 00.5.Y.  Please look at the pictures closely, check part numbers, do your homework and ask questions before purchasing.