McVitie Weston valve collection, valve, type CV981
Valve, type CV981, as Y404A, but marked 44W, in carton, (RMW/Y404B - McVitie Weston number), by Unknown maker.
Valve, type CV981, as Y404A, but marked 44W, in carton, (RMW/Y404B - McVitie Weston number), by Unknown maker.