Large oil on canvas of a Marine rescue

Oversize oil showing a foundering dismasted English barque in heavy seas being assisted by a paddle steamer with people watching from a nearby pier head. Mounted to a heavily carved gilded timber frame with a partial maker’s label from M. May, St. Ann’s court Wardour Street, W Picture Frame Manufacturers. Painting is signed lower left with monogram with appears to be a “B”, “S”, “B”. 31” x 50” on sight.  46” x 66”, overall.