This is a second-hand bead necklace.  The necklace is set on double lengths of silver tone curb link chain with a central feature of red and silver tone chunky beads. 

It has a lobster clasp

It is secondhand in good condition with some minor signs of wear/tarnishing.  

The necklace is approximately 48 cm in circumference with an extender, or 41 cm without the extender.