On this page from Canada's digital archive:
http://66.241.252.164/digital-archive/profile.cfm?collectionid=896&cnf=cf
can be seen a flag which according to the caption and accompanying text
was flown by Canadian peacekeepers in the Congo in 1961. The flag
is similar to the current national flag but with blue bands and with a
red maple leaf with extra points.
Marc Pasquin, 26 December 2011