A reference for Used and Rare Books, Periodicals, and Paper Ephemera
courtesy of an International Co-Op of Independent Dealers.
Sample Autograph Signature:
American author of novels, shortstories and televison scripts, anthologist and TV producer. Michael Joseph Cassutt has also written two non-fiction books, Who's Who in Space: The First Years and Deke!: An Autobiography with Donald K Slayton.
Please note that while we have reason to be confident that the signature
is genuine by virtue of its source, it has not undergone
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guarantee the authenticity, nor can a comparison of a signature with
this example exclude the possibility of an autopen, a printed
facsimile, or a reasonably capable forgery.