Too many. I usually have a Case peanut, CV with chestnut bone scales. I have carried along a Remington Camillus made peanut, single blade, a gift from a member. Outside of that, a 73 single blade Tidioute trapper, with Beavertail wood scales, and a 72 Tidioute lockback, same way. Add on to that, a Gossman micro Kephart, 3" blade of A2 and cocobolo. If you think that's too much, let's try a Spyderco Bob T, and a 2012 Spyderco Starmate.
A two blade SFO Tom Sawyer barlow by Tidioute and the 2012 Bladeforums Traditional forums knife. 74 pattern saddle trapper, Tidioute make. The barlow and the forum knife make for a good combination, the 73 and 72 might be taking a break. I was trying to decide which one to leave home, why not take both?
Last but not least, a J Neilson Kephart that I originally had J build for me, traded, and then traded back into. 5" 52100 and cocobolo, Paul Long sheath.
I think I could get by on the peanut, for what I do most every weekday, but then again, I am a knife nut.
Oh yeah