This listing is for a Shure Model R85 Dynamic Microphone Cartridge, brand new, never installed, and still in its original box with the factory instruction sheet. Opened to take pictures. This is a genuine Shure replacement element used in several classic Shure microphones, including vintage Unisphere and harmonica mics. Perfect for restorations, repairs, or keeping a period‑correct Shure mic fully original. Condition New. Cartridge has never been used or mounted. Includes original box. Includes original Shure directions sheet stored properly; no corrosion, no foam rot, no handling wear