TEXT: S E C R E T
  TO BE OPENED ONLY BY
  DIRECT ORDER OF 
  THE COMMANDING OFFICER
  — EYES ONLY —
  TO BE OPENED ONLY BY DIRECT ORDER OF
  THE COMMANDING OFFICER
  — EYES ONLY —
  US ARMY SECRET MESSAGE ENVELOPE
  Print on red construction paper, if possible.  
  Cut out envelope shape on solid black line. Fold sides 
  over where indicated by short dashed lines. Apply glue 
  along lower edges of side flaps, then fold bottom flap up 
  at short dashed lines and glue in place.
  Insert secret message or other document. Fold over top 
  flap and glue shut beneath War Department emblem.
  Sign and date envelope, and countersign across the War 
  Department emblem.
  This HPLHS Prop Document is for entertain-
  ment purposes only. Designed and implemented 
  by Andrew Leman. ©2002 by HPLHS. All rights 
  reserved. Permission is hereby granted for the 
  user to print copies for his/her personal use in 
  role-playing games. No other permission is 
  granted, and any commercial or illegal use of this 
  digital file or the prop you can make from it is 
  ENTIRELY PROHIBITED.
  Please do not distribute this file.
  It is available for free download at
  www.cthulhulives.org
  Questions? Ask them.
  andrew@ahleman.com
  
SOURCE: textdata/thevault/Call of Cthulhu (CoC) (BRP) [multi]/EXTRA/IRL Props/Prop FIles/USArmyEnvelope.pdf