# Thumb 1 Thumb 2 Form Number Division Title Where Used EKU LKU Notes Revision Actions
591 3898 Card Notice to patrons regarding registry system for rural offices
592 3899 R Rules for registration of letters by Letter carriers City Delivery offices Circa 1902 ASW first of three slightly different printings 5-4476
593 3899 Registry Information cards City Delivery offices
594 3905 Reference slip showing "no record of matter received" "mail is not returnable" "mail is not intended for addressee" or "mail was returned to writer"
595 3905 Mail inquiry and reply ask addressee re delivery or nondelivery and if addressee reached, etc. 1971 ASW unused 1970
596 3906 Notice to call at window for parcel, paper, or mail with postage due replaced by 3907?
597 3907 Mail Pickup Notice card to be left in PO Box for too large, too much, postage due, signature required 1954 Agath 1993 DLS Replaces 3906, 3909, 3910, 3912, 3915 Oct 1987
598 3908 Card - Box Rent Due! left in PO box 1931 DLS see also 1507 & 1585
599 3908-A Card - Box Rent Due! - IN Spanish left in PO box
600 3909 Notice to PO BOX owners of failure to lock box or to have left key in box Circa 1950