Vintage Sterling Silver necklace with birthstone boy and girl charms

Vintage Sterling Silver necklace with birthstone boy and girl charms. The necklace chain is ball pattern and is marked on the chain and clasp. Beads as spacers and 4 birthstone charms. 2 boys and 2 girls. They are marked 925 also. One on the outside loop and others on the inside loop. I do not clean. It will need to be polished as it has been stored for years. Part of mom's jewelry she is parting with. Colors are blue topaz for December. Alexandrite for June...very pale lavender, emerald for May, and Ruby for July I welcome questions. In very nice condition.