This a white metal sail set specifically for the Dutch Brig Corvettes (DU13 &14).
Tops and topgallants set, courses furled. Used (where possible) in action to avoid the chance of the lower sails (courses) being set on fire by the discharge of the guns.
White metal sail set kits contain:
Bowsprit with Jib(s) and spritsail;
Sails for each mast;