CitiesService1 
1928 - 1947
CitiesService 
1948 - 1964
Citgo 001
1965 -  

Cities Service operated from 1924 to 1964 and in 1965 became Citgo with a new logo in an attempt to revitalize their marketing brand.  Operations in Canada ceased in the 1960's.

Maps with years in red are not in my collection - scans of covers have been provided by other collectors.

CoverIcon
1928
CoverIcon
1931
 Cover Icon
1932
CoverIcon 
1934
CoverIcon
1935
 CoverIcon 
1936
Cover Icon 37 Cdn
1937
CDN Version
Cover 37 US Icon
1937
US Version
38 Cover Icon
1938
CoverIcon
1939
Cover Icon 40
1940
Cover Icon 41
1941
1942 Cover Icon
1942
CoverIcon
1947
Cover Icon 48
1948
CoverIcon 
1949
Cover Icon 50
1950
51 Cities Service Cover Icon
1951
Toronto
Cover Icon
1952
CoverIcon 
1953
1954 Cities Service Cover Icon
1954
CoverIcon 
1956
CoverIcon 
1957
CoverIcon 
1957
Toronto
CoverIcon
1958
CoverIcon
1959
CoverIcon
1960
Cities Service 1962 Cover Icon
1962
Cover Icon 63
1963
 Cover Icon
1964
 Citgo 1967 COver Icon
1967 
 69 Citgo Cover Icon
1969
72 Citgo Cover Icon
1972 
             

  

 cities-service  cities-service2
Stn Montreal StLaurent Jul54
Cities Service Station, Montreal Road and St. Laurent Boulevard, Ottawa, July 1954