More Than Just a Pretty Picture -- Film Description:
"More Than Just a Pretty Picture is a short, lively history of how Canada Post prints its stamps. It explains the three processes involved: offset lithography, steel engraving, and gravure."
-- National Film Board of Canada

Source:
National Film Board of Canada. "NFB -- More Than Just a Pretty Picture" National Film Board of Canada. http://onf-nfb.gc.ca/en/our-collection/?idfilm=12868.