Crowned Koi
Certificate of Authentication
CK-CERT-6C97E3DA
Brand
Rolex
Model
Datejust
Reference
1603
Year
1978
Serial
53•••••
Authenticated by
Pat at Crowned Koi
Date Issued
July 21, 2026
Verify at crownedkoi.com/authentication/6c97e3da71ae480cbf1beaa28935fec6