_Single letter_ To or from Gibraltar 23_d._ To or from Malta, the Ionian Islands, Greece, Syria, and Egypt 27_d._ Between Gibraltar (not having been first conveyed there from the United Kingdom) and Malta, the Ionian Islands, Greece, Syria, or Egypt[619] 8_d._ Between the United Kingdom and Madeira 20_d._ Between the United Kingdom and the West Indies, Colombia, and Mexico 25_d._ Between the United Kingdom and Brazil 31_d._ Between the United Kingdom and Buenos Ayres 29_d._ Between the United Kingdom and San Domingo 15_d._ Between the British West Indies and Colombia or Mexico 12_d._ [619] In 1838, it was enacted that the postage on a single letter (not from the United Kingdom or going there) between any two Mediterranean ports or from a Mediterranean port to the East Indies should be 6_d._ via the Red Sea or Persian Gulf. The Gibraltar rate remained the same (1 and 2 Vict., c. 97). Letters between the United Kingdom and Germany, Belgium, Holland, Switzerland, Spain, Sweden, and Norway were charged in addition the same postage as if they had been sent from or to London. Letters from and to France paid no additional postage. All letters to and from non-commissioned officers, privates and seamen while in actual service were still carried for one penny each, payable in advance, but letters sent by them from Ceylon, the East Indies, Mauritius, and the Cape were charged an additional 2_d._ payable by the receiver.[620] [620] 7 Wm. IV and 1 Vict., c. 34. After the transference of the packet boats to the Admiralty in 1837, the Postmaster-General was authorized to charge regular packet rates for the conveyance of letters by such ships as he had contracted with for such conveyance. He might also forward letters by any ships and collect the following rates for each single letter:--