DESCRIPTIVE SYMBOLS AD Autograph Document ADft Autograph Draft ADftS Autograph Draft Signed ADS Autograph Document Signed AK Autograph Card or Postcard AKS Autograph Card or Postcard Signed AKSX Autograph Card or Postcard Signed, in Photocopy AL Autograph Letter ALS Autograph Letter Signed ALSX Autograph Letter Signed, in Photocopy ATrD Autograph Transcript of a Document ATrL Autograph Transcript of a Letter AuD Audio Document PD Printed Document PL Printed Letter PLS Printed Letter Signed PTrL Printed Transcript of a Letter TD Typed Document TDC Typed Document, in File Copy TDft Typed Draft TDftS Typed Draft Signed TDS Typed Document Signed Tgm Telegram TKS Typed Card or Postcard Signed TL Typed Letter