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| Title | Return Receipt (Domestic) June 1966 |
| FormNumber | 3811 |
| Revision | June 1966 |
| Division | |
| WhereUsed | a Melon colored Receipt Card showing the Sender that a Registered article, or insured parcel was delivered; Printed with Post Office name for offices having a high volume of Registry business |
| EKU | 1917 DLS |
| LKU | 2007 DLS |
| Notes | Approximately 1917 revised as a duel purpose form to provides receipts for both insured parcels and registered mail; Form 1548 eliminated; other services needing return receipte were added: Certified (1955), Express, COD, Merchandise Return. |
| Source | SS |
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