Premiere Props · Sale 97655 · Lot 253G Prototype MGM United Artists Fiberglass Sign Movie Photographs: © Premiere Props A very unique movie memorabilia item to own is this prototype MGM United Artists fiberglass sign. This measures approximately 15" x 7". ‹ Lot 253F The Ice Pirates Space Suit Movie Props Lot 253H › Jurassic Park Barbasol Embryo Can Movie Props