This is the fourth of our River Class Ships of the Royal Navy, HMS Mersey P283.  She is 1900 tons, 80 metres or 260ft and armed with cannon and phalanx in this mode. River Class are multi purpose ships so they can be adapted with specific equipment depending on their role. HMS Mersey is a Batch 1, and our model is about 65mm long and comes in its own box.  ref N15