Shure SPS Series PRO 3 Phono Cartridge * No Stylus * Box * Manual

The Shure SPS-3 (Shure Performance & Sound Series) is a vintage moving magnet phono cartridge from the early 1980s, which features a flat-bottom body design similar to the Shure M91/M75 series. It was commonly sold with a "tan" colored stylus, designated as N-13 or NPS 3. 

Shure SPS-3 (NPS 3) Specifications
Stylus Type: Elliptical Diamond tip
Stylus Dimensions: 0.4 x 0.7 mil (or 0.3 x 0.7 mil in some replacements)
Tracking Force: 1.5 - 3.0 grams
Color: Tan (N13)
Body Type: Similar to Shure M91/M75 (flat bottom)
Applications: 16, 33, or 45 RPM records (not for 78 RPM)
Output: High-fidelity, designed for warm, smooth sound 

Key Details
Compatibility: The SPS-3 uses the N13 (tan) stylus, which is part of the broader SPS 1-4 series (compatible with M75/M91 bodies).
Aftermarket Replacements: Common replacements include the 770-DET or JICO N13.
Position in Series: The SPS-3 is considered a mid-range model in the series, with higher tracking forces than the 1-2, but lower than the 5-6 models.