I am not a WWI guy or a tank guy, but I do collect historic panoramic photos from the WWI era. I stumbled across one you all might find interesting and scanned it in Flickr with a link below. If you right click and choose original, you can see a lot of details, including numbers. One tank--which I think is a Mark V--is marked 99*7 and the other looks like 9914. It is hard to read all of the description at the bottom, but I am sure it says "operated by personnel of 301st Bn." I did some research on Major Colhoun, and he was placed in command of the 329th on Nov 9, 1918. So i think the the picture was taken after the 301st saw battle. I am not sure where it was taken, but the photographer was in France in early 1919 taking pictures of Pershing's 3rd Army Composite Regiment. Major Colhoun was in France from 8/1917 to 4/1919, so I am thinking it was taken in France. Any comments or observations would be greatly appreciated.
The heavy tanks are Mark V* (say "Mark Five Star"). The light tanks are the American M1917, also called the "6 ton" (supposed to be a copy of the French Renault FT, the American M1918 had a lot of differences). I think I am correct in saying that no American 6 ton tanks reached France before the war ended (I think a couple of 3 ton tanks did). Therefore this may be in France, but it is definitely after the war. My opinion is that this is in America; just something about the buildings and the hats makes me think that.
That makes sense. The Major returned from France to Camp Meade. The photographer is Baltimore-based, so that fits too. I have attached the Major's service records in case it might provide some clues.
Not sure how you arrived at the 301st and 329th identification on this panorama. It was taken at Camp Meade, Maryland. It is a great image--I have had it hanging in my office for years. It was marketed by Underwood and Underwood as "the 304th Tank Brigade" after the war, but that was, indeed, wishful thinking! They had a good story and needed a good image to go with it. Attached is a copy of the paper that accompanied the Underwood-marketed versions of this panorama.
After a little hard work I was able to read the whole caption written on the bottom of the photo, it reads: LIGHT AMERICAN TANKS AND PERSONNEL OF 329TH BN. TANK CORPS. - MAJ D.W. COLHOUN, BN. COM, AND 5-STAR HEAVY BRITISH TANKS OPERATED BY PERSONNEL OF 301 BN.
I read it the same way, but John A-G questioned that reading based upon a document he has attached to what he thinks is the same photo. The photographer etched that description in the the bottom of the print/plate. It was really hard to read (and still is) but i bumped up the contrast in Photoshop to make it easier to read. The photographer is Mann & Landry, but according to John A-G it was marketed by Underwood & Underwood, who offered a little different description. Again, I was more interested it in because it came form a DC-Area photographer. Are there any clues from the tank numbers?
I'd suggest 9907, shipped to the USA via Liverpool on 4 August 1918. It was never in French service as the website suggests - we know this because a complete list of all Mark V* supplied to France survives and it isn't one of them.