Circa 1910-1911 - First version of the 123 lumber car has a gray non-embossed frame on T trucks with red stakes and hook couplers..

Circa 1910 lumber car with lacquered trucks, not this one had a red stripe.

Circa 1910-11 with the red stripe.

Circa 1912-13 green base, high marklin trucks

Circa 1913-1916 - High Marklin trucks on a black embossed frame with red stakes and automatic couplers.