From the top, clockwise;
Speed Six SS, U.S. Gov., N.I.S.
Blue ( thank you mr. obvious) Police Service Six
Next three Blued 6", 4", 2 3/4" (No Kidding?!)
At 6 o'clock nuther 2 3/4"
Left side for something completely different, SS 2 3/4", 4", 6"
Top center SS, 6" South Dakota Police Association 50th Anniversary
Bottom Center SS 6" (do tell) Marked on the left side C.H.P. and the only .38 special in the bunch.