Starting in most of Canada in January 1950, post offices began to get issued with a rectangular rubber cancel that incorporated the MOON (Money Order Office Numbers), town name, date and province within a box of about 30 mm x 28 mm. These cancels were in use until March 31, 1973. In theory MOON, MOTO and MOOD cancels were not to be used to cancel anything except paperwork and receipts, but by the 1960's MOON cancels were in wide use. (I don't know what the acronyms MOTO and MOOD translate to).
POCON cancels started to be used approximately in April 1973 - replacing the MOON system.
Older (1970's & 1980's) POCON did not usually have a Postal Code included. P.O.C.O.N. (acronym for - Post Office Computer Organization Number) cancellation are in the shape of an arch, circle, graphic, rectangle, or a square, with a 6-digit number, a town or office name, a Postal Code (if shown) and a date.
There is perhaps a possibility that Sub No 5. refers to East Dover sub-district, if the 1911 census of polling districts and sub-districts was used to determine these Sub numbers. But I wouldn't rely on the accuracy here, as this is just a long shot.
It would appear then, that the X number may be the MOON (Money Order Office Number).
The "Sub" is just going to be a "Substation". All big cities will have some.
Here is a 1975 registered cover with a similar (but later version) cancel with a London substation in the cancel and the registration hammer:
(from BuckaCover current inventory "Canada registered" category.)
Roy
Thanks to you both. StampoRama to the rescue again.
I recently received an envelope filled with these cancels. They appear to be used for receipts or perhaps for internal postal administration - not on mail. Any ideas where I might look for more information? Do you know what the X285 or the Sub. No. 5 might stand for? Substation?
re: Unusual Canadian cancels
Starting in most of Canada in January 1950, post offices began to get issued with a rectangular rubber cancel that incorporated the MOON (Money Order Office Numbers), town name, date and province within a box of about 30 mm x 28 mm. These cancels were in use until March 31, 1973. In theory MOON, MOTO and MOOD cancels were not to be used to cancel anything except paperwork and receipts, but by the 1960's MOON cancels were in wide use. (I don't know what the acronyms MOTO and MOOD translate to).
POCON cancels started to be used approximately in April 1973 - replacing the MOON system.
Older (1970's & 1980's) POCON did not usually have a Postal Code included. P.O.C.O.N. (acronym for - Post Office Computer Organization Number) cancellation are in the shape of an arch, circle, graphic, rectangle, or a square, with a 6-digit number, a town or office name, a Postal Code (if shown) and a date.
There is perhaps a possibility that Sub No 5. refers to East Dover sub-district, if the 1911 census of polling districts and sub-districts was used to determine these Sub numbers. But I wouldn't rely on the accuracy here, as this is just a long shot.
It would appear then, that the X number may be the MOON (Money Order Office Number).
re: Unusual Canadian cancels
The "Sub" is just going to be a "Substation". All big cities will have some.
Here is a 1975 registered cover with a similar (but later version) cancel with a London substation in the cancel and the registration hammer:
(from BuckaCover current inventory "Canada registered" category.)
Roy
re: Unusual Canadian cancels
Thanks to you both. StampoRama to the rescue again.