No Image Lot 340 A GEORGE III MAHOGANY AND BRASS INLAID CASED MANTLE CLOCK BY WENHAM OF DEREHAM. 340A GEORGE III MAHOGANY AND BRASS INLAID CASED MANTLE CLOCK BY WENHAM OF DEREHAM. Bishop & Miller Auctioneers Ltd the case with sarcophagus top and cast brass finial over ring side handles, and fish scale sounds frets on plinth base, to a cast brass bezel, enc... Add to watchlist Live