I could if I had my book with me. I'm in Wyoming right now.
Some of the CCH done on Sig seried guns was done by Colt's according to Dennis Russell's book on the 2nd Gens. Also, some Sig Series guns will letter. But they were just a very few Sig Series guns that Colt's bought to use as display pieces
Fingers (Show Me MO smoke) McGee - AKA Man of Many Colts - Alter ego of Diabolical Ken; SASS Regulator 28564-L-TG; Rangemaster and stage writer extraordinaire; Frontiersman, Pistoleer, NRA Endowment Life, NMLRA, SAF, CCRKBA, STORM 327, SV115; Charter member, Central Ozarks Western Shooters
Cynic: A blackguard whose faulty vision see things as they are, not as they should be. Ambrose Bierce