Scratch another one off the white whale list thanks to Stout Auctions.
Should have this in my hands sometime soon.
I'll likely send it out for some work for smooth running and to make it perfect.
From what info I can find, I believe OMI only made 10 models of this prototype.
Better pics to come. These are Stout's
OMI 0178 FEF-1 #815 coal w/experimental boiler casing.