Glossary of Autograph Abbreviations & Terms
AC: Autograph Card (unsigned handwritten card or message on printed greeting card)
AD: Autograph Document (hand-written by the author, but not signed)
ADS: Autograph Document Signed (written and signed by same individual)
AES: Autograph Endorsement Signed (the endorsement on another person’s letter or document is entirely in the hand of the author who signed the endorsement)
AL: Autograph Letter (hand-written by the author, but not signed)
ALS: Autograph Letter Signed (hand-written and signed by same individual)
AMs: Autograph Manuscript (hand-written; such as the draft of a play, research paper or music sheet)
AMsS: Autograph Manuscript Signed (hand-written and signed by same individual)
AMusQs: Autograph Musical Quotation Signed (hand-written and signed by same individual)
AN: Autograph Note (much shorter than a letter)
ANS: Autograph Note Signed (hand-written and signed by same individual)
AQS: Autograph Quote Signed (hand-written and signed by same individual; poem verse, sentence, or bar-of-music)
DS: Document Signed (printed, or while hand-written by another, is signed by the author)
LS: Letter Signed (hand-written by someone else, but signed by the author)
MSs: Manuscript signed (text in the hand of another person; signature in the hand of the author)
PS: Photograph Signed or Postcard Signed
SP: Signed Photograph
TCS: Typed Card Signed (signed typed greeting card)
TDS: Typed Document Signed (signature in the hand of the author)
TL: Typewritten Letter (mechanically reproduced, such as mimeographed, offset, ditto, diazo, including letters signed with rubber stamps, mimeograph, or any other artificial means of reproducing the author’s signature)
TLS: Typed Letter Signed
TMsS: typed manuscript signed (signature in the hand of the author)
TNS: Typed Note Signed
Information courtesy of thefreedictionary.com November 2006