https://comicspriceguide.com/forum/messages.aspx?TopicID=11195 ComicsPriceGuide.com Forums - CPG - Questions and Answers - How does this site determine the value of Comics? - Messages en-us http://blogs.law.harvard.edu/tech/rss Jitbit AspNetForum Thu, 18 May 2017 13:56:58 GMT Thu, 18 May 2017 13:56:58 GMT https://comicspriceguide.com/forum/messages.aspx?TopicID=11195 But basically, they say they check numerous sources such as online sales, auctions, stores, etc.]]> Thu, 18 May 2017 13:56:58 GMT https://comicspriceguide.com/forum/messages.aspx?TopicID=11195 Tue, 16 May 2017 11:55:58 GMT