http://www.tulane.edu/~august/handouts/601cprin.htm I happened upon the above link which has information not easy to find. I can not vouch for and have no idea of sources or accuracy. If you are interested in details on Roman debasement of silver coins there are some interesting numbers here. Most struck me as being in line with observations from the coins I have.
For what it is worth, I see a couple things on the page that I can not accept but we always have to read critically.
Doug, thanks for the great info ... Ummm, although it may not surprise a few of you fellas, it never ceases to amaze me just how little I actually know about ancient coins!! I greatly appreciate all of the great links and info that you guys provide us rookies!!
Ancient Doug : Thank you very much for the link. Looking at the reseach, someone put in a lot of work. My guess is that it came from Professor Harl from Tulane University. As many people on this site know, Harl has been a leader in the study of Ancient numismatics, especially as it relates to the Roman economy. Your link will replace for me the more basic link that I've frequently referenced: http://www.celatorsart.com/denominations.html guy
