Researcher David Cassel is seeking information regarding the provenance of the following J-330A pattern coins. Occasionally, collectors make notations in their auction catalogues as to who bought various coins. If you can help, you can contact David Cassel at DavCassel@aol.com Stack's September 1987 lot 985. Who consigned this coin to this auction? Stack's October 1988 lot 610. Who consigned this coin to this auction? Stack's March 1992 lot 1650. Any information on who consigned and/or who bought this coin, its weight, and where it is today.