Southern coin silver mug, William Brown, Baltimore

This Baltimore cup is 3 1/2" tall at the rim and the diameter is 3 1/4". It's in good condition. The handle has been reattached as have many cups. There is minor denting. The reposse' decoration is crisp. It is marked "W. Brown", "10.15" and has a clover (?) looking symbol. Ca 1845/1850.