Here is a Graupner Bremen 9 converted to represent a UK Police boat. She is called DEVA which is the Roman name for the county capital of Cheshire - Chester.

If the Cheshire Constabulary owned a vessel of the size of the original Bremen 9, I am reliably informed that the 'Battenburg' and transom diagonal stripes would be correct. The 'BA 07' lettering on the superstructure is also the correct national and regional code for the Cheshire Constabulary. The constabulary crest on the cabin doors however has now been superseded by a more modern constabulary logo that looks sh1te.
The RIB provided with the kit is too small and in my opinion not to scale; I will replace it at some point. The light bar and all other blue and navigation lights work off 9v batteries.
Chris M