You may only reproduce images of clearly defaced stamps to:

• Illustrate news items in newspapers, magazines, catalogues, and so on
• Use on the stationery of stamp clubs and societies, but not on envelopes or other containers, wrappers, or articles

All stamp reproductions must be:

• At least twice as large as the original

  or

• Half the size of the original

The reproduction must be clearly defaced. The defacing line must be in the plate or die from which you make the reproduction. The Director of Stamp Products must approve (in writing) the reproduction for any other reason.

Their mailing address is:

DIRECTOR, STAMP SERVICES
CANADA POST
2701 RIVERSIDE DR SUITE N0875
OTTAWA ON K1A 0B1