The Vintage Shure Model 55S Unidyne Directional Microphone is a classic piece of pro audio equipment from the United States. Made by the renowned brand Shure, this microphone is known for its quality and durability. The Model 55S is a sought-after vintage microphone among musicians, audio engineers, and collectors alike. While this item is being sold untested and as-is, it holds historical significance and potential value for those looking to add a piece of music history to their collection.