I do not understand why an item I have listed many previous times has just been removed

[96jan54]

Necklace, Prom or Bridal, goldtone Rhinestones channel set

This beautiful necklace is a series of 7 prong set rhinestones set into a curved channel, there are 17 of these channels joined in alternating direction with a small goldtone link. All metal on necklace is goldtone. If necklace is hooked as shown in photo, with the chain dangling down, it is 17" long. If you hook it anywhere down the extender chain, you can gain 1-3 inches, if needed. pre-owned in good condition, no missing stones, the last link before the dangle shows a little discoloration.

Your listing has been removed: Trademark Violation - Unauthorized Item

I don't understand where there is a trademark violation or how it could be an unauthorized item? It is just a necklace I have listed several times over the last year.