For sale is a brand new, never used, genuine and authentic: 
DAVID YURMAN 1.1mm Oval Link Chain Necklace in 18K White Gold

-It lists for $300

-18" and can be worn at approximately 16" and 17" 

-Great for all your charms and enhancers! 

-1.1mm oval link chain; This is a delicate appearing chain (and also well-made)

-Lobster claw lock marked (C)DY 750

-The necklace comes in a gift box with a DY pouch, and certificate of authenticity
-I ship for free with USPS priority mail with insurance.  I also offer express service for $20