The main body of this teapot is marked SH for Soloman Hougham. However, the finial knob and handle are marked THH, which I cannot find in any of my reference books. There is also an additional Lion and male or female head in profile stamped on the screw of the knob and handle. Most likely the handle and knob were originally wood and replaced at a later date with sterling from this maker, THH. Any help identifying who this maker is would be very much appreciated! Another post
says THH could be for a Birmingham maker, T.H. Hazlewood & Co.