Thanks for that information David.
I did notice a lot of fakes while in Venice. It is a shame but at the same time I can understand shop owners wanting to have "cheap" souvenirs for tourist to buy. I recently heard of a big bust in Italy, so it's seems that authorities are at least trying to keep that sort of traffic to a minimum.
Thanks again for your interest in my query. I'll be spending time at the library tomorrow to see what I can come up with.
Enjoy the rest of your vacation. You have an amazing collection. A number of pieces I wouldn't mind owning!
rob