{"subjects": ["Prices", "Coins", "Catalogs", "Collectors and collecting", "Coins, prices"], "key": "/works/OL8037201W", "title": "The Official Blackbook Price Guide to World Coins 2007", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2675543A"}}], "type": {"key": "/type/work"}, "covers": [229436], "latest_revision": 8, "revision": 8, "created": {"type": "/type/datetime", "value": "2009-12-10T22:19:33.905251"}, "last_modified": {"type": "/type/datetime", "value": "2021-09-29T01:25:55.168237"}}