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    Armen Vartian, an attorney, provides insight into and awareness of the laws that protect and the legal situations that affect collectors in "Collectibles and Law."

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    Senior Editor, U.S. Coins


    Paul is a senior editor and has been a member of the Coin World staff since 1988. Paul covers the U.S. Mint beat and has memorably reported for more than two decades on many of the hobby's most important stories, including the record sale of the Farouk/Fenton 1933 double eagle and the protracted legal proceedings of the Langbord 1933 double eagles. He received a bachelor of arts degree from Grove City College in Pennsylvania and collects autographs and memorabilia from The Andy Griffith Show.

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    John Wexler guides collectors through the exciting and sometimes frenzied world of coins displaying collectible differences from "normal" coins in "Varieties Notebook."

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    Wendell Wolka, a paper money collector and educator for more than 40 years, shares what makes paper money fun in "Collecting Paper."

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    David Vagi, ancient coins specialist, explores Greek, Roman and Byzantine coinage with a fresh and inviting prospective in "Ancients Today," published monthly in the World Coins section of the Special Edition.

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    David T. Alexander provides the details and history long forgotten or previously unknown about the people and events behind the images on medals and coins in "The Research Desk."

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    Senior Editor, World Coins


    Jeff is the senior staff writer, was Coin World's 2003 Margo Russell intern and joined the staff in 2004. Jeff has been a collector since childhood and fondly remembers the challenges of completing Whitman folders by pulling coins from circulation and searching rolls from the bank. His current collecting interest focuses on Missouri-related numismatics and exonumia. He is the primary writer for the World Coins section in the monthly Special Edition and is responsible for Coin World's coverage of world coins and weekly International page. He graduated with a bachelor of arts degree from Webster University in St. Louis where he was editor-in-chief of its weekly student newspaper.

  • Steve Roach



    Steve Roach, Coin World’s editor-at-large, has been deeply involved with numismatics for more than 20 years, starting as a young coin collector in Michigan. Two years spent as a coin grader, nearly three years at a major coin wholesaler and a stint as a paintings specialist at an international auction house have given Steve a rich understanding of the hobby, its market and the unique personalities and exceptional objects that make collecting meaningful. He joined Coin World in 2006 as a columnist, and has served as associate editor and editor-in-chief. He received his bachelor of arts degree from the University of Michigan, a juris doctorate from the Ohio State University and is a Certified Member of the International Society of Appraisers.

  • Gerry Tebben


    Gerald Tebben goes behind the scenes and explores many offbeat trails in bringing to the forefront the long-lost information that makes coins so special in "Coin Lore."

  • Kevin Goldberg

    Kevin Goldberg

    Kevin D. Goldberg began collecting European coins as a Middle School student in suburban Philadelphia. Three decades later, he still collects European coins, but now in suburban Atlanta, where he teaches in the Department of History & Philosophy at Kennesaw State University. He earned his Ph.D. in European History from the University of California, Los Angeles, and was a postdoctoral fellow in the International Humanities at Brown University, 2011-2013. Kevin has been planning on expanding his collection beyond Europe for the past decade, but is only now getting around to it.

  • Ron Drzewucki

    Ron Drzewucki

    Ron Drzewucki has been a professional numismatist since 1984 and a member of Professional Numismatists Guild (PNG) since 1995. He has for years been a dealer "known as having a superb eye for coins" and "has the experience and discriminating eye to make those important distinctions between grades", according to the Numismatic Guaranty Corporation's newsletter. Ron ran a successful company dealing in certified rare coins and modern coins before joining Numismatic Guaranty Corporation (NGC) in January of 2005.. Grading rare, silver, and gold vintage coins are Ron's specialty. Ron was with NGC for 7 years, and was a shareholder for 6 years before selling his shares in May, 2012.

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    Brad Karoleff

    Brad Karoleff is a lifelong coin collector with a specialization in the early coins of the Philadelphia Mint. He is the proprietor of Coins Plus which operates four locations in the greater Cincinnati, Ohio, area.  
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    Matt Crane

  • Kirsten Petersen

    Kirsten Petersen

    Kirsten has been part of the coin world for most of her professional career.  For more than 20 years now she has worked for the Austrian Mint helping to establish and build the Austrian Mint presence and successes in the international markets around the world.  Kirsten began her numismatic career with the Royal Canadian Mint where she distinguished herself by creating numismatic programs such as "Canada 125", the proof Maple Leaf issues and the original Aviation silver program.