This stamp has a hidden date underneath the walrus on the right side of the stamp.
This stamp has the initial of the designer to the right of the walrus. The initial H belongs to designer Emanuel Otto Hahn.
The 4¢ stamp illustrating a walrus is being issued in support of Canada's National Wildlife Week with the intent that they emphasize to all the importance of securing and restoring the Wildlife Resources of Canada. This design was created by Emanuel Hahn, R.C.A., Toronto, Ontario.