Autographs, Autograph, Autographed, Document Signed, Photo Signed, Signed Document, Signed Photo

Nice pair of signed items by the renowned vaccine scientists, Jonas Salk and Albert Sabin. Here, Salk signs a first day cover for the United Nations c

Jonas Salk 8'' x 10'' Glossy Signed Photo -- Engaging Candid Shot of the Polio Vaccine Scientist -- Near Fine

Jonas Salk 8'' x 10'' Signed Photo -- Light Smudge to Signature, Very Good

8'' x 10'' Glossy Signed Photo of Jonas Salk, Polio Vaccine Pioneer -- Near Fine Condition -- With Wehrmann COA

8'' x 10'' Glossy Signed Photo of Jonas Salk, Polio Vaccine Pioneer -- Signed in Black Ink: ''Jonas Salk'' -- Near F...

''Spruce Goose'' Photograph -- Press Photo of the 1947 Flight of Howard Hughes' H-4 Hercules Notoriously Dubbed ''Spruce...

Original Photo of the Hughes H-4 Hercules ''Spruce Goose'' Model Plane -- 10'' x 8'' Glossy Photo in Near Fine Condi...

Original Photo of the H-4 Hercules ''Spruce Goose'' Model Airplane Built by Howard Hughes -- 10'' x 8'' Glossy -- Ne...

Press Photo of Howard Hughes' ''Spruce Goose'' -- Shows Two Men, One Likely Hughes, Atop Plane -- 10'' x 8'' Pho...

Original Photo of Howard Hughes' Spruce Goose -- Taken 2 November 1947 on Her Maiden Flight -- 10'' x 8'' -- Near Fine