Can somebody help me find out what this is?

[Jimbuna]

Originally Posted by Herr-Berbunch

Nope, the RN WO's badge is two bay laurel branches either side, that's a commisioned officer's badge.

Below is a picture containing both, WO on the left, officer on the right. But which Navy is still a question that will likely never to be answered as the commonwealth navies used the same or similar.

Take yer pick:

http://www.handembroideryshop.co.uk/...CAP_BADGE.html