cover 1712 - 1971, E.L. (3), U5 (6), cards (2) and pieces (2), including 1712 E.L. to Kirkwall, headed "Stronza" inside; 1837 E.L. to Edinburgh with blue oval Ship Letter Leith d.s. on front and Stromness framed mileage on reverse; 1839 E.L. to Aberdeen with Stromness mileage and Kirkwall and Thurso d.s. all on reverse; 1841 U5 to Edinburgh bearing 1840 1d. tied by black Maltese Cross, Kirkwall d.s. on reverse, 1955, two printed Oil Pollution Investigation cards found on Orkney (one showing chemical reaction to dye strip on reverse), also 32 unused or used view cards, a few other U5 from other islands including 1916 (c.) U5 to Aberdeen with dumb naval machine cancellation and purple circular "CENSORED/NORTHERN PATROL", 1943 (C.) printed "ACTIVE SERVICE" U5 with purple framed "DAMAGED BY SEA-WATER", etc., mostly good to fine