Charm with symbol


#1

Although not marked, this charm is set in sterling silver. I don’t know what the inlay material is and I think the “symbol” is either brass or copper. Can anyone identify the symbol, what it is, what it means, how old, who made it? It is very old. Thanks!
cheryl


<img src=/uploads/db3169/original/1X/073c19916e178aac42a2d0ec6e5b3c8b10c1aa71.jpg">