This Cartier bi-fold certificate #1961596 for 18K or Platinum for item serial #J45177, dated April 5, 2000, with watch booklet. The booklet measures 2 ¾” square, the certificate measures 4 7/8” L x 3 ¼” W x 1/8” H, and come in their original Cartier envelope with an overall measurement of 5 3/8” x 3 3/8”. This is the certificate & booklet ONLY, no watch is included in this purchase.