Here is what we have been using to do our '60-'66 Chevy truck restorations:
Med. Fawn 60% gloss DuPont 9171-L, Ditzler DL-22571, Rinshed-Mason 65B84
Dark Fawn Zero Gloss Du Pont 9202-L, Ditz. DIA 22568
Light Fawn? 60% Du Pont 9170-L Ditz. DL22569
------------------------------------------------------------------------------------------------------------------------------
Medium Saddle 60% Du Pont 4626-L Ditz. DL-22570 Rinshed-Mason 65B83
Dark Saddle Zero Gloss Du Pont 9199-L Ditz. DIA-13010
The Saddles are from '65, all Fawns are same '65 and '66.
They have worked well for our projects, so maybe they will help someone else out, as well.