RARE Tiffany & Co Sterling Silver 925 18K Square Interlocking Circles 111 Grams

RARE Tiffany & Co Sterling Silver 925 18K Square Interlocking Circles 111 Grams.
Rare find
16.75” long
Each link has 1 large circle and two smaller ones connecting it to the next circle. Necklace is 15mm wide.
Widest part is the he lock 16.5mm
111 grams
Has a 18K square on the lock.
Interesting piece.
Comes with pouch and box.