Saudi Arabia. ★★/★/⊙. Quality collection assembled over many years with much elusive material. Beginning with Mecca issues incl 1916 ½ pi mint and used through rouletted types complete on to 1917 types on to the 1921 serrated roulettes type with mint high values, etc. Then a substantial 1922/23 'arms of Mecca' types with gold as well as black overprints and an extensive range of the caliphates, followed by the King Ali printings. Then the Tughra types both with and without overprints, 1934 proclamation, 1½, 3, 3½, 5 and 10 g mint, through the Abdul types mint and used, complete and an extensive range of the postal tax stamps incl. unlisted types. Next are the late 1940s good for airmails, commems through to the 1960s onwards with extensive cartouche types, first set used to 100 pi, second set to 200 pi first set again this time mint complete including the elusive 6 pi and the other types to 200 pi, including the seldom seen 8 pi ending with the mint airplanes complete with postage dues and 1961 officials complete mint to 100 pi, followed by further cartouche 1962/65 mint incl. further seldom seen mint, followed by the large officials mint with scarce values, on to the Faisal cartouche 1968 defins and much more. A remarkable collection, a joy to view.