Well, there's two hours of my life I won't get back...
But you feel strangely momentarily brainy on your specialised subject nonetheless.
1) Thomas O'Neil. CORRECT
2) No idea.
3) San Francisco. CORRECT
4) Sometime in February 1870. GOOD ENOUGH June 25th 1870
5) 71 CORRECT
The question about De Rudio's cane is interesting but I couldn't find any reference to it in the books I checked.
Clearly the 'book' you had didn't have the information that my book has, namely Warman's Antiques & Collectibles 2012 Price Guide.
I have over 200 books about Custer
And you have read them all? I assume you have a spare room for this hoarding?