4500.00 C.C. Bircham Model 89 Westley Richard's pattern Grande Prairie Mar 19, 2024 - 10:50 PM Dellas I have a C.O. Bircham (London) model 89 Westley Richard's patent single shot rifle in 500/450 Number 2 cartridge. I have dies and brass formed from 50-90 cases and a trim piece for a lathe - goes with the rifle.