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Delivery book - PO record of whether registered item was delivered
AKA Sheet record for items that received delivery
562
3868
Receipt to Carrier for undeliverd registered matter
only at offices authorized by 3rd Asst. PMG
undated.
563
3868
Carrier Clearance Receipt
Notice that Registry and/or Certified Mail items received and delivered
1970 ASW
564
3870
Return Receipt (International) as a postal card
originally prepared only in Foreign exchange offices; then other postmasters "specially authorized" were added; finally in 1932 PL&R 1st, 2nd, & 3rd class offices - 4th class still sent to the exchange offices
1918 ASW
1936 DLS
the function is described in the 1879 PL&R - earliest seen with a form number in the 1890s - initially a sheet of pink paper, by at least 1923 had been converted to a postal card; replaced in 1932? by Form 2865