Postage Due stamps. BEAUTIFUL UNIT: 1897-99, Deer, Pheasant, Dhow, Coat of Arms, the total is 40 mint stamps, 32 of which with ''Postage Due'' overprint, including 5 blocks of four and 2 strips of three, plus 2 postage blocks (Scott #87 and 92), all with full OG, apparently all are NH (2 stamps with natural skipped gum), F/VF, SG #D3/19, 108, 113a, C.v. £1,700 as hinged, Est. $500-$600 (Image)