This is a genuine NAD93 (New Acoustic Dimension) needle. As found in the NAD9300 cartridge.
SERIES 90NAD91 (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.