Olwyn

Olwyn is the arms merchant in Britain in Ultima IX.

Olwyn was the wife of Giovanni the blacksmith, and even though she was short on conversation, she was quick to sell her husband's wares.

Britain Blacksmith Shop
Prices in Ultima IX were as follows:

Chain armour is not available until the Avatar visits Terfin for the first time.

The no changes following the Avatar's visit to Terfin are an increase in price for the Battle Axe to 860 gp and the Warhammer to 710 gp.