It appears that the car is from Lot 685-B, 63000-63149, if my reading of the NYC Freight Car Equipment diagrams is correct:
https://donstrack.smugmug.com/UtahRails/Emil-Albrecht-Photos/1946-Aug-Echo-Ogden-Salt-Lake/i-4XjRqkR/A
Gary Laakso
Northwest of Mike Brock
© 2021 Groups.io