Antique Victorian or Edwardian Boiled Egg Topper / Cutter.
Only the Victorians could come up with a vicious looking piece of kitchen equipment such as this.
This has age related marks but still working.
No makers mark, probably made in England
The construction is all metal not sure what metal, but it is not magnetic, could be Nickel.
Ebay Ai Description
This antique egg topper/cutter is a charming addition to any kitchen or collector's collection. Made of metal, it is an original piece from either the Victorian or Edwardian era. Its unique shape is designed specifically for cutting the tops off of boiled eggs, making it a useful kitchen tool as well as a collectable item. The set includes one egg topper/cutter and its brand is unknown. Add this rare and interesting piece to your collection today.