SC 13G 1 idt13g10.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Act of 1934 (Amendment No. ) ITEM 1 (a) Name of Issuer: IDT CORP. (b) Address of Issuer's Principal Offices: 520 Broad Street Newark, NJ 07102 ITEM 2 (a) Name of Person Filing: KAHN BROTHERS LLC (b) Address of Principal Office: 555 Madison Avenue, 22nd Floor New York, NY 10022 (c) Citizenship: USA (d) Title of Class of Securities: Common (e) CUSIP Number: 448947408 ITEM 4 (a) Amount beneficially owned: 648,517 (b) Percent of Class: 17.39 (c) Number of shares as to which the person has: (iv) Shared power to dispose or to direct the disposition of: 648,517