oThis postcard is a genuine original from the legendary Grande Ballroom in Detroit, featuring the iconic band Procol Harum from their 1968 performance. The artwork was created by Carl Lundgren, adding to the unique value of this piece. A must-have for any music memorabilia collector, this item was manufactured in the United States and is a true piece of entertainment history. Don't miss out on the opportunity to add this rare gem to your collection.