Antique Marks, , HarperCollins Publishers, HarperCollins,Reference works,Encyclopaedias and reference works, antiques;marks;collectiblescollectibles;memorabilia;hallmarks;pottery;pewter;silver;gold;platinum;value;dates;antique marks;recognition,, , United Kingdom, en-GBhttps://www.harpercollins.co.ukantiques;marks;collectiblescollectibles;memorabilia;hallmarks;pottery;pewter;silver;gold;platinum;value;dates;antique marks;recognition, [BLURB],[CITY],,books, ebooks, biblet, Book2look