Prototype needed for oddball C&BT 40' 12 panel boxcar


I came across this oddball C&BT boxcar in my pile of older cars and
was wondering if there is a prototype for this arrangement:

10'6'height, 4/4 Improved Dreadnaught ends(rolling pin), 12 panel
sides, 8 foot Superior door with 7 panels, rectangular panel roof

What the heck was I thinking when I picked this one up?

Any help would be appreciated!
Stefan Lerché
Duncan, BC

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