Clearly, our mystery figure is damaged, but it is pearlware C1820, very much in the style of Enoch Wood.
Despite its problems, the figure is hauntingly beautiful and the embellishments on the base, as well as the flag, seemed to support a military connotation.
A further thought: Is our winged putto intended to represent Victory rather than Peace? The flag at half mast has me wondering. Victory would also be winged and would also have discarded elements of war. If you know, please share!