These pictures were sent to me by someone looking for info. before attempting to build one. It is in private hands. I thought it may be one of the small guns captured early near Baltimore. I seem to good at finding them, but you always have the answers.
Bob
PS
I know we still diagree on this one though you still may find it interesting. Recorded at the fall shoot in Virginia. Unfortunetly I was home recovering. One man in the video's ancestor belonged to Ward's Battalion, recruited in his home town in Ms.
http://skirmishnotes.com/artillery/hughes-cannon-makes-noise-impresses/