I've always considered myself a history buff and a minor authority on naval warfare. So I think you are wrong about the year that ship was commissioned.
I would have place it as no older than the mid-1400s. (It has to do with the angle of bow and the precise placement of the forward turret. Very subtle stuff. Understandable you'd make the mistake.)
LOL
Seriously, that is a simply astounding gift.
HMS Rodney was commissioned 1927. One of the Nelson class battlewagons. These ships had very distinctive and unusual tumblehome sterns. Here's a nifty drawing of the sister ship, the Nelson:
The Nelson