This is a genuine NAD91 (New Acoustic Dimension) needle. As found in the NAD9100 or NAD9300 cartridge. OBSOLETE but you can still order any needle at the bottom of the page and it will substitute just fine.
NAD91 (man-made bonded diamond elliptical)
NAD93 (NUDE (natural diamond) elliptical)
700-269-1 (stamped on plastic)
These N.O.S. needles were made in the USA by ADC for NAD.
Found in, but not necessarily limited to:
NAD turntable model 5020
If you have more detailed product info (possibly from the Cartridge booklet) please email us.