Crowned Koi
Certificate of Authentication
CK-CERT-E1867EF2
Brand
Rolex
Model
GMT-Master II
Reference
16710
Year
2000
Serial
P8•••••
Authenticated by
Pat at Crowned Koi
Date Issued
November 19, 2025
Verify at crownedkoi.com/authentication/e1867ef22adb4f789a64d087a3397de1