Circa 1922-24 - Type b, M-Style trucks, embossed frame automatic couplers couplers. Litho shows capacity as 150,000 (see close-up below)

Circa 1926-27 - Type C 'M-Style' trucks

Circa 1926-27 - unusual variation; painted and rubber stamped, light green in color.

Circa 1928-30 - Type D, 'M-style' trucks

Circa 1930 -  Painted light green with gold rubber stamping. Similar car exists in smaller series