4 Vintage Silver Tone And Rhinestone Pins

All are in good condition All have tiny rhinestones making up the front The round one has 99 on the back which makes me believe that is 999 sterling silver 2 x 2" wide Other 3 are not marked The rectangle looks to be missing one rhinestone but they are so small its hard to notice 3 x 1.5" 1 is in shape of a g clef 3 x 1.5" Last one is 2 x 1 1/4"