Large Oval Victorian Brooch, Victorian Horseshoe Pin

Victorian Antique Lucky horseshoe brooch. C1900. Nice period item. This brooch is very, very late Victorian early 1900's, not vintage or contemporary, It is a very very late Victorian/early 1900s I believe it is gold filled antique. It is not market. Not sure on the meaning, you'll have to take it from there. Please see all photos Thank you