Based on the information you provided, what I think you have are Kodak produced "highlight" reels of film titles produced by the Army during WWI.
The story goes that when Kodak began selling their newly invented 16mm film projectors during the early 1920's, customers wanted more content than just their own home movies. So Kodak started a film distribution service called the "Kodascope Library"...it was the "Netfilx" of its day. Thousands of title covering hundreds of topics became part of the library. It was such a success that Kodascope Library members demanded that they be allowed to own copies of their favorite films. Kodak bowed to the pressure (gladly I'll bet), and introduced Kodak Cinegraph 16mm films for sale in May 1927. When first introduced a 100 ft film cost $7.50 and a 400 ft. film cost $30.00.
My guess is that your film are from the mid-1930's, but films like these were sold by Kodak well into the 1940's.
Are your reels unique? No, the original footage is in the National Archives.
Valuable? I'm not qualified to answer that one, but you might want to check out e-bay.
Are they available on video or DVD? Some of them are. I suggest that you do a Google search on the title (minus the catalog number after the title) and see what pops up. Your other option is to have your films transferred to DVD. You probably have someone in your town that does that type of work. If not, you might want to check out Home Movie Depot on the web.
Hope this helps.
Phil
Author
BATTLEFILM: U.S. Army Signal Corps Motion Pictures of the Great War
WAR WINGS: Films of the First Air War
