Swarovski Silver Tone Pendant Necklace 15" Plus Extender

Swarovski silver tone link necklace with 2 pendant/charms 15" chain with 2.5" extender, thin link chain 2mm Double zig zag pendant/charm with clear crystals and teardrop charm with light colored crystal (light purple?) Teardrop charm has a marking but unsure if it is the swan (Swarovski) marking, may have been added to necklace Necklace and zig zag charm marked with swan marking Excellent clean, shiny condition