# Thumb 1 Thumb 2 Form Number Division Title Where Used EKU LKU Notes Revision Actions
1111 None Return Registered Letter Receipt April 8 1878 example c1878
1112 3800 Certified Mail Receipt PSN 7530-02-000-9047 at bottom of reverse side August 2006
1113 3540 Notice to Sender of Undelivered Mail March 2 1917 c1917
1114 3540 Notice to Sender of Undelivered Mail Jan 24 1922 No lines under address on front c1922
1115 3544 Receipt for Money or Services PSN 7530-03-000-3768 July 2004
1116 3547 Notice To Sender of Forwarding Mail 1938 1941 Undated. c5-9634 coding at bottom of both sides. c1938
1117 3547-S Notice To Sender of Forwarding Mail Nov 27 1948 11-47
1118 3547-S Notice To Mailer Previously 'Notice To Sender of Forwarding Mail' June 1958
1119 3547 Notice to Sender of Forwarded Mail -- Address Correction Service Mar 2 1973 Mar 1972
1120 None U.S. Registered Package Used to mail mint stamps (accountable paper in post office terms) to an ordering postmaster?