Strait of Gibraltar These "internal waves" continue to flow eastward and to refract around coastal features. They can sometimes be traced for as much as , and sometimes create interference patterns with refracted waves. Except for its far eastern end, the Strait lies within the territorial waters of Spain and Morocco. The United Kingdom claims around Gibraltar on the northern side of the Strait, putting part of it inside British territorial waters. As this is less than the maximum, it means, according to the British claim, that part of the Strait lies in international waters. The ownership of Gibraltar and its territorial waters
Postal Orders of Gibraltar postal administration of the country in which the order is issued so allows, a current stamp for denoting a rate of postage of that country, but no other stamps may be used. A charge for poundage is applied according to the rates applicable when the order is issued. Postal Orders of Gibraltar British postal orders are currently issued in Gibraltar by the Royal Gibraltar Post Office. In accordance with the "Postal Order Regulations of 1961", postal orders may be issued for the following sums: The value of a postal order may be increased by affixing postage stamps not exceeding two