Steve you know that was 49 years ago and my memory, never very good, ain't what it used to be. I want to say M48 and I have a photo if I can find it of my son sitting on one with his army uniform on. If I can find it I will get my grandson to send it to you. To mention the WBTS spent the day at the library trying to research a UNION General Richard Erskine Holcombe 3rd CN. Vol. I knew if I looked long enough I would find a snake in the woodpile. Ironic that the highest ranking Holcombe in the war would be UNION
Ken