1.assay-mark - a mark on an article of trade to indicate its origin and authenticityauthentication, hallmarkmarking, mark, marker - a distinguishing symbol; "the owner's mark was on all the sheep"
assay-mark
noun
Synonyms for assay-mark
noun a mark on an article of trade to indicate its origin and authenticity
assay-mark - a mark on an article of trade to indicate its origin and authenticity