Queen's University, Kingston, Ontario: 16mm.
University of Waterloo Audiovisual Services Catalog.
"The system of hallmarking gold and silver articles provides a store of information about a particular piece that gives it a pedigree and guarantees the purity of gold or silver. The history and techniques of hallmarking and assaying are described and illustrated. An informative film for antique collectors which explains how to recognize the value of a piece of silver or gold."