RAF officer rank shirt

By Van Heusen 'Service Brand'. Stores Ref. 22B/470. Size 14.5" collar.  Classic pale blue cotton shirt for use with detachable collars. Double cuffs for use with cuff-links. Early half opening front.  New old stock - unused and still folded/pinned on the original card with remnants of cellophane covering remaining.  With two new matching collars.  We have not unwrapped this but assume it to be in excellent clean condition bar light storage marks. Stock code U21556.