On a set of 1850-1900 bagpipes I have only one hallmark. It is placed on one of the ringscaps. I suspect, however, that this particular piece was replaced. http://m1.freeshare.us/155fs727155.jpg The hallmarks are minute. http://m1.freeshare.us/155fs727698.jpg http://m1.freeshare.us/155fs727743.jpg D...