UNKNOWN MORTAL ORCHESTRA SIGNED VINYL ALBUM. Unknown Mortal Orchestra signed vinyl album by. Ruban Nielsen, Kody Nielsen & Jacob Portrait. This item was signed in 2024. Just send us a message before paying and we will be happy to adjust the price. Midwest Ink has been obtaining high quality signed items for over 10 years. All of our autographs are obtained in person and are GUARANTEED authentic. We are able to do what most cannot and that is how we bring such special items to you. We regularly travel the country from coast to coast, bringing you only the best names in Music, Entertainment and Sports.