This microphone is a rare gem for any music enthusiast. It features the signature of Pittsburgh musician Donnie Iris, also known as "King Cool". The authenticity of this autograph has been verified by James Spence (JSA), adding to its value and appeal.

This original piece of music memorabilia is perfect for collectors of autographs, rock and pop history, and Pittsburgh music. It is a one-of-a-kind item that will surely make a great addition to any collection.