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James L. Halperin
James L. Halperin (born October 31, 1952, in Boston, Massachusetts) is an American author and businessman. In 1985 Halperin authored a text on grading coins, ''How to Grade U.S. Coins'', upon which the grading standards of the two leading third-party grading services PCGS and NGC were ultimately based. He is also author of two popular futurism fiction books, ''The Truth Machine'' (1996) and ''The First Immortal'' (1997), both best-sellers that were each cited in ''PC Magazine''s 20th Anniversary Survey in 2001 as one of the 17 top science/technology fiction books of the previous 20 years.〔(PC Magazine Survey )〕 The Truth Machine is currently under development as a motion picture by Morgan Freeman's Revelations Entertainment.
==Biography==
Halperin graduated from Middlesex School in Concord, Massachusetts in 1970, then attended Harvard University between 1970-1971 where he majored in psychology and later philosophy. After three semesters, Halperin dropped out to pursue a career in numismatics. In 1976 he established a rare coin fund for investors, New England Rare Coin Fund (NERCF). Upon liquidation at auction in April 1980, each investor in NERCF received 460% of their initial investment after commissions and fees.〔(PCGS.com article by Halperin discussing NERCF )〕
In 1982, he sold his coin company to a former employee, entered into a 50/50 business partnership with renowned numismatist-turned-businessman Steve Ivy and settled in Dallas, Texas. Halperin and Ivy still co-direct Heritage Auctions, of Dallas, Texas, which advertises itself as the world's largest rare coin company and third largest auction house (2012 sales of about $860 million).
A profile on Halperin appeared in ''Forbes'' in 2004,〔Christopher Helman, (Top Drawer )〕 to which Halperin posted an annotated (clarified and/or corrected in footnotes) version on Heritage's website.〔Halperin, Jim (What Forbes Didn't Tell You )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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