Bronze Cross with Unusual Crest

Started by Tom5
916858dffbfc0f0d57e1db2e97319eab?default=mm&secure=true

Tom5

Yet another mystery for me! I can't figure out what this is. Measures 30mm wide by 37mm in length. Not sure of the makers mark on the back either.. M&U. Co?

Any thoughts would help.

Thanks!

`