{"first_publish_date": "1987", "key": "/works/OL1691815W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL191915A"}}], "subjects": ["Coins as an investment", "Coins", "Handbooks, manuals", "Collectors and collecting", "Numismatics, collectors and collecting"], "title": "Coinage guide to collecting and investing in coins", "dewey_number": ["332.63"], "type": {"key": "/type/work"}, "covers": [12766088], "latest_revision": 6, "revision": 6, "created": {"type": "/type/datetime", "value": "2009-12-09T22:08:44.037695"}, "last_modified": {"type": "/type/datetime", "value": "2024-04-17T04:50:28.633112"}}