+1 to the Semogue Owners Club in boar with the cherry handle, mine is new and not broken in yet but from what I've read it will be worth the wait. View attachment 305036
I also have a Simpson Special in best badger that I love View attachment 305037
Look at the Hobbyist/Vendor classifieds and the Buy/Sell/Trade forums.
What I do is take an old brush, drill out the knot, buy a knot from The Golden Nib, and glue it in with Devcon. I let it cure for a week (that's overkill, but I had a knot come loose once).