Abstract: This file is comprised of correspondence between HM Ambassador to Afghanistan, HM Ambassador to Iran and the Foreign Office regarding travel restrictions and visa arrangements for British subjects wishing to travel in the Persian Gulf.Physical description: Foliation: the foliation sequence (used for referencing) commences at the front cover with 1, and terminates at the inside back cover with 10; these numbers are written in pencil, are circled, and are located in the top right corner of the recto side of each folio.