Here is my first Grimsby class sloop - HMAS Yarra:
Unfortunately she was lost in 1942 while taking on three Japanese heavy cruisers and a couple of destroyers in an attempt to buy the convoy she was escorting time to escape. One of the Collins class submarines (HMAS Rankin) is named after her commanding officer of the time.
I also drew up the Coat of Arms for Yarra and her sister ship HMAS Swan (which is my next project), with the Coat of Arms for HMA Ships Warrego and Parramatta in the works: