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. We would assume these were sold prior to 1929 as they do not have the Flyer roofs.