Crowned Koi
Certificate of Authentication
CK-CERT-F6CF78BB
Brand
Rolex
Model
GMT-Master II
Reference
16710
Serial
A8•••••
Authenticated by
Pat at Crowned Koi
Date Issued
April 28, 2026
Verify at crownedkoi.com/authentication/f6cf78bbe26b4821bdce4ed2dbdbd8b3