CANADIAN STAMPS
1946
SG O159
Official
Air Canada
Issued 24th Nov 1947. Printed perf 12. For this official stamp the 'O.H.M.S' is type O2, punctured with 4 lines of dots to make up the letters. Don't confuse this with stamps that have the 'O.H.M.S' printed on them, this overprint was not used until 1949.
SG O159
7c
blue
7c
blue
VARIATIONS & FLAWS
REQUIRES ADDITIONAL RESEARCH
STAMPS FROM MY COLLECTION
