British Guiana Kingdom, finally made formal claim to the "New River Triangle", the triangular-shaped region between the New and Kutari rivers that was in dispute. The Surinamese colonial government and, after 1975, the independent Surinamese government, maintained the Dutch position; while the British Guiana Government, and later the independent Guyanese government, maintained the British position. British Guiana is famous among philatelists for its early postage stamps, which were first issued in 1850. These stamps include some of the rarest, most expensive stamps in the world, such as the unique British Guiana 1c magenta from 1856, which was sold in 2014 for US$9.5
Dutch name date as the marriage date, the changed name must be recorded abroad on a certificate in accordance with the local rules of the foreign country and the marriage and name change as well as proof of application as of the date of the marriage must be legalized/apostilled and provided to the Dutch consulate or Dutch municipality upon return to the Netherlands. This stems from the fact that international marriages are not necessarily governed by Dutch Law but by Private International Law which is codified in the Netherlands in the "Commoner's Law Book (Burgerlijke Wetboek)" Book No. 10, Private International Law,