# Thumb 1 Thumb 2 Form Number Division Title Where Used EKU LKU Notes Revision Actions
1221 3811 Return Receipt 12/15/1930 Rivets original? 3-24 (01)
1222 3811 Return Receipt 3/13/1945 1-4-40
1223 3811 Receipt Previously 'Return Receipt' Dec. 1955
1224 3811 Receipt Previously 'Return Receipt' Apr. 1955
1225 9005 Oath for Post Office Employee Smaller sheet, about 7x8. This example used 1934. c1934
1226 3811 Return Receipt Jan. 1958
1227 6812 Money Order Letter accompanying a special check This example sent June 2, 1948.
1228 3811 Receipt 5/30/1972 Nov. 1970
1229 3811 Return Receipt, Registered, Insured and Certified Mail 4/22/1981 *GPO 1979-300-459 Jan. 1979 (02)
1230 3811 Receipt 3/18/1977 Mar. 1976