Circa 1923-25 - Note lack of rivet detail. Dark green with yellow-orange lettering.

Circa 1923-1925 - Pretty much the same as the earlier version, except for the lack of rivet detail.

Circa 1923-1925 - Olive green, light green trim, yellow/orange lettering, NO rivet detail.

Hard to date these for sure - but these red bodied 60 series cars were used in sets from approxamately 1924 to 1930. With the bright red roof they are probably from 1927