{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Chaffers' Hand Book to Hall Marks on Gold and Silver Plate","author_name":"Christopher A. Markham","thumbnail_url":"https://www.ebooknetworking.net/books/140/679/big1406794007.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1406794007.html\">Chaffers&#039; Hand Book to Hall Marks on Gold and Silver Plate</a>","width":400,"height":300}