Antique Art Deco Copper Cake or Jelly Mold With Hallmark

Art Deco copper cake mold with pure tinned lining. Most likely European, it dates late 1800's to early 20th century. This was a well used mold and the quality is such that it probably belonged to a professional chef. Measures 6ʺW × 4.25ʺD × 5ʺH