unused 1916-18, a study collection, all neatly mounted and written up on album pages, comprising 1916 5d. (16 with a corner block of four), 1917 5d. (46 with several blocks of four or larger plus a single overprinted "SPECIMEN") and 1918 5d. (17 with one overprinted "SPECIMEN" plus a block of six and two blocks of four), fine. S.G. S1-S3, #236