The product is a concert ticket stub from Procol Harum's performance on April 4, 1973, at the Felt Forum in New York City. This original piece of music memorabilia captures a historic moment in rock and pop history, featuring the iconic British band playing at Madison Square Garden. It serves as a unique collectible item for fans of Procol Harum or music enthusiasts in general, showcasing a piece of American music history from the 1970s.