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Dr. Franz Greenbaum
Alan Turing's Cryptic 'Josephus Problem' Postcard to be Auctioned
February 2, 2017
Auction House
Old World Auctions
(804) 290-8090
Established in 1977, Old World Auctions has become the largest auction house
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Book Dealer: Antiquarian & Rare
Lighthouse Books
14046 5th Street
Dade City, FL 33525
(727) 822-3278
Auction House
Shenandoah Valley Auctions LLC
On-Site & On-Line Estate Auctions & Appraisals
Shenandoah Valley, VA 22645
(540) 333-8837
Autograph Dealer
Edward N. Bomsey Autographs, Inc.
7317 Farr Street
Annandale, VA 22003-2516
(703) 642-2040
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By Nicholas Basbanes
