Crowned Koi
Certificate of Authentication
CK-CERT-941A0BB2
Brand
Rolex
Model
GMT-Master II
Reference
16710
Year
2007
Serial
Z2•••••
Authenticated by
Pat at Crowned Koi
Date Issued
December 4, 2025
Verify at crownedkoi.com/authentication/941a0bb2900440a08b90def16dfdd0ad