circular plate

Off white ceramic circular plate from the 'Captain's table'. two pinstripe blue lines one on outer rim and one on the inner rim. Top of plate sits a garter seal with the words 'Ferreira' around the seal and the words 'Lisbon' in the middle, all made in a blue glaze. Underside of plate is manufacturers stamp with the words "Ashworth Bros" underneath this is a crown then the word 'Hanley' underneath in a banner/ribbon. At bottom of makers mark, etched into the plate are the words "SH S6".