Inauguration of the UNited States Postal Service Block of Stamps

INAUGURATION Art Craft OF THE Postal Service JULY 1, 1971 37 ASHING J.S. Lindsay FIRST DAY OF ISSUE4314 N. Nelsonli. JUL 1971 ON. DC * UNITED ST ATES POSTA U.S.MAIL FIRSAT DAYTA U.S.MAIL SERVICE * ERVICE ATES POSTA ATED U.S.MAIL ISSUE U.S.MAIL SERVICE * ERVICE