(from the collection of Dr. Conrad Latto). S.G. 63a. Photo" /> Cancelled 1d. deep blue, imperforate, handstamped "CANCELLED" (Type D7), good margins, unused with part original gum; a few minor tone spots on reverse and a diagonal crease, none of which significantly affects appearance. Rare. <I>(from the collection of Dr. Conrad Latto)</I>. S.G. 63a. Photo | Christie's