Percy Cox was engrossed with events in Europe. Among his other achievements while at Bushire was the establishment of the state of Kuwait as an autonomous kaza within the Ottoman Empire by the Anglo-Ottoman Convention of 1913, where he improved relations with local ruler, Mubarak, by opening negotiations with Ibn Saud. The Turks signed a treaty in London on July 29, 1913 concerning Royal Navy patrols in the Persian Gulf littoral, when Cox met then at the Port of Uqair on 15 December 1913. Cox noted their "intractability" and also warned the Foreign and Commonwealth Office about Ibn Saud; the "increased authority
Postage stamps and postal history of the postal convention states of India was never used. Gwalior issued a total of 137 stamps and 94 official stamps from 1885 till 1949. Jhind is another of the cis-Sutlej states which signed a postal convention on 1 July 1885. Having an area of just , the territory of Jind, like all the Phulkian states, was fragmented; comprising three main enclaves and some isolated villages. The Sikh ruler of Jind, Raja Ranbir Singh was a minor at the time of signing of the postal convention; the state being ruled by a Council of Regency at that point in time. Prior to becoming a convention state, Jhind