Circa 1904-1909 - The gravel car above  is yellow  with  brown/gold detail. Inboard trucks and one brake wheel. The example below is more of a cream/white with brown details.

Litho on this 128 gravel is off-white or gray with black detail. It has inboard trucks and one brake wheel.

Very unusual car has pre-1910 body with T-Trucks (see similar 127),