An simple and low poly looking Black swan class sloop "Amethyst" known for the Yangtze incident and its famous crew member Simon the able sea cat.
HMS Amethyst was a Modified Black Swan-class sloop of the Royal Navy. She was laid down by Alexander Stephen and Sons of Linthouse, Govan Scotland on 25 March 1942, launched on 7 May 1943 and commissioned on 2 November 1943, with the pennant number U16. After the Second World War she was modified and redesignated as a frigate, and renumbered F116.
This model took only around 2-3 hours, while it looks simple, i still had hard time looking up the ships blueprint and what its superstructure looks like.