Countries – N Namibia 1st Day and Other Covers Natal Revenue Stamps Nauru Negri Sembilan Nepal 1st Day and Other Covers Netherlands 1st Day and Other Covers Curacao Netherlands Indies Netherlands Antilles 1st Day and Other Covers Netherlands New Guinea Netherlands Postage Due Stamps Netherlands Postage Paid Stamps Netherlands Priority Mail Stamps Newfoundland New Caledonia New Guinea 1st Day and Other Covers New Hebrides New South Wales Official Stamps Postage Due Stamps Revenue Stamps New Zealand 1st Day and Other Covers Official Stamps Penrhyn Island Nicaragua Niger Nigeria 1st Day and Other Covers Norfolk Island North German Confederation North Borneo Postage Due Stamps Northern Rhodesia Also see Rhodesia Revenue Stamps North West Russia Norway 1st Day and Other Covers Official Stamps Nyasaland Revenue Stamps Nyasaland & Rhodesia Nyassa Company Postage Due Stamps Country Index A B C D E F G H I J K L M N O P Q R S T U V W X Y Z