My first attempt at restoring a vintage brush. I bought an old Rubberset brush for $1 at a flea market and a 19mm silvertip badger knot from Virginia Sheng in China. :
VTG Vintage Rubberset #153 Shaving Brush R | eBay
Vintage Rubberset Shaving Brush Collectible Antique Barbers Tools Made in USA | eBay