Omnibus. Royal Caribbean Visit. Issued from 4 February 1966. Some 15 territories issued stamps commemorating the Royal Visit. Antigua, Bahamas, Barbados, British Guiana, Cayman Islands, Dominica, Grenada, Montserrat, St Christopher Nevis Anguilla, St Lucia, St Vincent, Turks & Caicos Islands, and the Virgin Islands all opting for the same two-value design while Jamaica and Trinidad & Tobago did things differently. See more here.