State Issued Badges
1913	1914	1915	1916
1917	1918	1919	1920
1921	1922	1923	1924
1925	1926	1927	1928
1929	1930	1931	1932
1933	1934	1935	1936
1937	1938	1939	1940
1941	1942	1943	1944
1945	1946	1947	1948
1949	1950	1951	1952
1953	1954
City Issued Badges
Boulder
	1972
Denver
	1937	1958
Grand Junction
	1957
Pueblo
	Date Unknown
Miscellaneous Transportation Badges