The photos don't give any idea of how small the person who wore it was - it would only fit a small child these days. Probably a size 6 or 8 at the most. Of course, women were smaller in the past, and there would have been a corset under the dress to cinch the waist in even more, and a bustle.
maker's label. As luck would have it, we did some research using trade directories of the day and census information and managed to find some information about 'Bevern'.
However, she was not in the Post Offfice Directory of 1895 as either milliner or dressmaker and in the same directory, 33 Sackville Street has other occupants. In 1895, 32 Sackville Street was described as "Milliners and Dressmakers Provident and Benevolent Institution". I wonder what happened to her and where she went. She may have retired and moved back to Lancashire, or moved somewhere else in London.