Canada 1970 Sir Oliver Mowat
From Stamps of the World
- Date of Issue : 1970 August 12
- Perforations : 12.0 x 12.5
- Design : Emst Roch.Engraved by George Arthur Gundersen
- Printer : British American Bank note Company
- Print Type : Engraved and Photogravure
- Quantity : 25200000
