Charlie Tumosa, Chief, Analytical Services, Conservation Analytical Lab at the Smithsonian would like to know if any museum collections have Russian platinum pieces, particularly coins and medals from the 19th century. His address is: CAL/MSC, Smithsonian Institution, Washington, DC 20560, or messages can be sent to me: Gail Goriesky [log in to unmask] PH: (301) 238-3712 FAX: (301) 238-3709 Thanks.