# Thumb 1 Thumb 2 Form Number Division Title Where Used EKU LKU Notes Revision Actions
1331 3813-P Receipt for Insured Mail Domestic or International "1970 OF-397-459" at bottom of reverse side. July 1970
1332 3813-P Receipt for Insured Parcel "GPO c9-16-63820-3" at bottom of reverse side. Apr 1954
1333 3813-P Receipt for Insured Mail Domestic or International "* GPO : 1973 O-523-820" at bottom of reverse side. Oct 1973
1334 3813-P Receipt for Insured Mail Domestic or International "1968 O-284-525" at bottom of reverse side, likely the 1968 printing. Mar 1967
1335 3813-P Receipt for Insured Mail Domestic - International "* GPO: 1979 289-362" at bottom of reverse side. Serial number with "N06" prefix. July 1978 (02)
1336 3813-P Receipt for Insured Mail Domestic - International "* GPO: 1979 302-879" at bottom of reverse side. July 1978 (03)
1337 3813-P Receipt for Insured Mail Domestic - International "* GPO: 1975 O-591-453" at bottom of reverse side. Aug 1975
1338 3813-P Receipt for Insured Mail Domestic - International No print code info. July 1978 (01)
1339 3813-P Receipt for Insured Mail Domestic - International 1983 printing. "* U.S. G.P.O. 1983-403-518" at bottom of reverse side. New numbering style, small black serial number. May 1982 (02)
1340 3813-P Receipt for Insured Mail Domestic - International "* U.S. Government Printing Office: 1982-377-397" at bottom of reverse side. Large red serial number. May 1982 (01)