No, I don't know how many there were, I probably saw at least 3 but like I said, one was undoubtedly post war, UCV or something, and the others I only saw rolled up or folded pieces. They may or may not be of the war period but I was taking an archival/museum hands on conservation class on my masters and they gave us a quick tour through the storage facility on the bottom floor. I am sure they have everything cataloged but it may not be in the research room filing and search docs. I also saw the 10th Missouri US Infantry flag as well.
I do know it perked up my interest but I have not gone back and delved further in to their identity. I may try and do that over the Christmas holidays when I am out of school. If I find anything I will let you know what I found...any id or provenance etc. Fortunately, I know the director of ACH personally and might could get access to at least try and determine what these remnants etc are.