unused 1911 (22 Feb) Prepared for used but not issued ½c., 4c., 5c. and 20c. brown, the ½c. without gum, 4c. and 5c. mint (unmounted), and 20c. with much original gum, the first and last have light peripheral toning mainly only visible on reverse. One of the few complete sets extant - of the upmost rarity. Chan DU1-4. Photo