Listing a single page prospectus for the classic book to be printed "The Battle-Field of the Army of the Potomac at Gettysburg, PA., July 1, 2, 3, 1863" as issued by James Beale of Philadelphia, PA. The book itself was to have been a print run of only 125 copies and according to the to the flyer - any order over the count of 200 would be returned, and the $6.00 purchase price HAD to be sent with the order.
A rare book to be sure, and according the person who wrote on the prospectus, 3 copies where known to be in institutions.