US PO Forms and Tags

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Form Number 3220
Division
Title U.S. Stamped Envelope Agency [Hartford, Conn.]
Where Used Packing slip and receipt to accompany a shipment from the Agency to a postmaster
EKU 1888 Feb. 21 RGR
LKU Dec. 1962 ASW
Notes appears to have been used with Special Request Envelopes
Revision