What year did Waterford Crystal begin to use the WATERFORD acid mark of authenticity?
The discussion was very interesting! The person who called is from Ireland and she called the customer service people locally. If you would like to call your self, here is the number for the US, toll free: 1-800-955-1550 they have quite a website!: http://www.waterford.com/index.asp if you would like to visit, here is some good info: http://waterford.goireland.com/scripts/low/xq/asp/areaid.195/areatype.C/cat.9/SubjectID.40/PremisesID.16458/qx/premises.htm you could also post on this forum, it is full of Waterford collectors: http://www.tripadvisor.com/ShowForum-g186638-i1221-Waterford_County_Waterford.html best wishes, Librarian50 Sources: