My PC alternative

[Nervous Jock]

I highly recommend removing the rank insignia and replacing the buttons. Otherwise, people mind think you are trying to impersonate a Naval officer.

Here is what the 2 buttons and chain thingy looks like:
\http://britishshop.com/product_info....oducts_id=1769

Agreed, there is a big anti in the UK at the moment on non service personel wearing uniform, commonly referred to as "Walting"