Lot of 4 Rhinestone Bracelets, Tennis, Link, Bow 7"

This is a lot of 4 silver tone metal and rhinestone bracelets in link, wrap and tennis styles. All came from an estate auction. All are unmarked. Metal composition is unknown. I believe the bow bracelet my be vintage, the others I am unsure. Bracelet 1 is a simple prong set rhinestone tennis style bracelet. 7". Condition is excellent. Bracelet 1 is a simple prong set rhinestone tennis style bracelet. 7". Condition is excellent with slight wear to the closure. Bracelet 3 is a silver bracelet with a bow motif at the center of the bracelet. Prong set rhinestones. There is a safety chain but it is disconnected at one end. 7". Condition is excellent. Probably vintage. Bracelet 4 is a silver tone linked bracelet with rhinestones in diamond-shaped settings. Stones look bezel set. 7". Condition is excellent. Jewels2A-63 checked