@Mannyrock, the 902 Gondola is one of 3 900 series number cars that really are just 800 series rolling stock.
The 900 Ammunition car was issued from 1917-1921 and was essentially an early 800 series boxcar.
The 901 Gondola car, issued from 1917-1927 is basically an early 800 series car with a 901 numbering.
The 902 Gondola is a second generation 800 series car issued from ~1927-34