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Comic book price guides are generally monthly, quarterly, or yearly publications which detail the changes in the resale value of a comic over a period of time. Price guides are also important tools for collectors looking to sell their collection or determine their collection’s worth for insurance purposes. Each collector will have his or her own preference regarding which authority to follow, but popular and respected guides currently include ''The Official Overstreet Comic Book Price Guide'', ''Comics Buyer's Guide'' magazine, ''Wizard Magazine'', the Comics Buyer's Guide ''Standard Catalog of Comic Books'', and Human Computing’s ComicBase, an inventory/databasing software program. Popular online price guides include comicbookrealm.com (free), (ComicsPriceGuide.com ) (free and paid services), nostomania.com (free), RarityGuide〔(Marvel Comic Book Price Guide Guide (NM) )〕 (free and paid), and GPAnalysis.com specifically for CGC (certified) Comics (paid). Online and print price guides will have their own discrepancies, so a combination of several sources is often used by collectors to arrive at an accurate estimated value. Although many price guides come and go, long-standing publications such as ''Overstreet'' (which has been running for over 35 years) or the more recent ''Standard Catalog of Comic Books'', have long since become inextricable elements of comic collection history. These guides are popular resources for collectors and enthusiasts seeking information on anything from storylines to writers and artists to the original cover price of a comic. Grand Comics Database and comicbookrealm.com, in particular, offer users the ability to quickly search for characters by appearances and deaths. The Big Comic Book DataBase combines a searchable database of per issue character and creator information and a linked price guide. The advent of certification enabled increased liquidity of comic books by removing disputes over grading and by disclosing restoration, and accelerated sales of comic books through online auction sites such as eBay or Heritage Auction Galleries. Certification was also a boon to comic price guide providers, as certification removes the uncertainty about the actual grade of the comic book being sold. Individual and/or aggregated reports of certified comic book sales are available online. == History == Beginning in the early 1960s comics collectors (who often traded and sold to each other) were on the rise, and the number of comics dealers began to increase as well. In 1965, Michael Cohen and Tom Horsky published what is considered the first comics price guide, the one-shot digest ''The Argosy Price Guide'' (specifically for Hollywood, California's, Argosy Book Shop).〔Thompson, Maggie. ("November 1970: Mint Never Meant So Much Before," ) "The 1900s: 10 biggest events from 100 years in comics," ''Comics Buyer's Guide'' #1365 (Jan. 14, 2000).〕 Comic back-issue prices had stabilized by the end of the 1960s.〔 In 1970, Jerry Bails, who had recently published the ''Collector’s Guide to the First Heroic Age'', was considering creating a comic book price guide. He was contacted by Bob Overstreet, who was doing the same thing. Bails' extensive notes, supplemented by Overstreet's study of dealer listings, "became a backbone to the ''Overstreet Comic Book Price Guide''."〔Ray Bottorff, Jr., quoted in "With a Little Help From His Friends...", ''Alter Ego'' vol. 3, #25 (June 2003), pp. 14-19.〕 Overstreet's guide instantly became an invaluable resource tool for comic book collectors.〔 The Overstreet guide excluded the entire category of underground comix from its listings. This void was first addressed by Jay Kennedy in 1982 with ''The Official Underground And Newave Comix Price Guide'', and while out of print is a valuable resource for information about the artists and publishers. In 2006, Overstreet advisor and contributor Dan Fogel's Hippy Comix, Inc. published ''Fogel's Underground Comix Price Guide'', with 2010 to see a supplement magazine adding minicomics and British undergrounds alongside the latest pricing data. With the advent of online auctioning services like eBay, price guides have seen dramatic declines in sales because their price listings were not reflective of the actual sale prices of comics. Shortly thereafter, ''Comics Buyer's Guide'' magazine and the ''CBG Standard Catalog of Comic Books'' started reporting actual completed auction results from eBay, covering periods longer than eBay's results are online. The 2005 edition of the ''Standard Catalog'' is 1,624 pages long and reports results back to 2002. The current online price guide for slabbed comics is GPAnalysis, which collects data of actual verified sales from several pre-approved sellers and auction houses. An established independent company, such as Comic Guaranty LLC (CGC) or Comic Book Certification Service (CBCS) provides third party grading services for comics. Comic books can be sent to these companies for independent, impartial certification, including grading, restoration check and encapsulation within a tamper-evident protective holder. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Comic book price guide」の詳細全文を読む スポンサード リンク
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