Here is a slightly faulty example of HMS Birmingham D 86 type 42 destroyer.
There is an ink/paint mark showing ont he hull or it may be on the bubble.
These ships were part of the 2011 release of Royal Navy Ships by Triang Minic. Ships have pennant numbers and detailed flight decks. Underneath they are the same. Length 4.0 inches and 100mm
There is a slight paintmark on the hull.
Triang code P745 our ref P745xx