1878: Printed 'RETURNED DEAD LETTER POST OFFICE DEPARTMENT, CANADA/ DEAD LETTER OFFICE' / D. 15 - 10,000 - 11-10-'78. manilla conveyance envelope, unrated with no despatch cds (probably Ottawa) but with straight line REGISTERED handstamp to Minden, with explanation for use on backflap, scarce and very fine. (Image)

Est. 40+

1890: Printed 'ON HER MAJESTY'S SERVICE / FREE' WILLIAM WHITE, / Dy. P. M. Gen'l. 'POST OFFICE DEPARTMENT, / Dead Letter Office' D. 19.-20,000-21-11'80. official grey brown envelope used with Ottawa 3 JU '90 'FREE' cds to USA with 5 JU Hartford, Conn. receiver, small edge nick and wrinkles at left, still fine. (Image)

Est. 30+