Identify makers marks on stag carving set. Sheffield?

[nikka0202]

Hi!
I am seeking help to identify the makers marks on a stag handled carving set.
The blade on the knife is marked Superior Cutlery Sheffield. The other pieces are hallmarked as pictured.
Thank you!

[silvermakersmarks]

These are manufacturer's marks, not hallmarks. MB is Maurice Baum. See here for more information.

Phil

[nikka0202]

Thank you for the clarification and many thanks for your reply.
Victoria