70s Diane von Furstenberg massive heart necklace

This heart necklace is huge and makes a sweet statement every time you put it on.

label: diane von furstenberg (dvf)
material: celluloid/bakelite/lucite. uncertain
length: 18" from top of chain to base, heart measures 2.5" x 2 3/4"
as is: typical surface scratches. nothing major. possibly flaws i missed