Jeff: you've no doubt been there, but for the rest of us, click on "Grades" for a nice collection of original Fox colors.
https://www.foxcollectors.com/

I believe Researcher shared that Fox switched from bone charcoal to cyanide colors c. 1918-19

A limited collection of original and re-case colors is here for comparison with other makers, and some hideous torch work at the bottom
http://www.picturetrail.com/sfx/album/view/12588446

Please give it a rest Ed. I have more examples.

"RECEIVER HAS BEEN RECOLORED AND NOW APPEARS SIMILAR TO ORIGINAL ITHACA FACTORY COLORS"



https://sites.google.com/a/damascusknowledge.com/www/home