Postage Stamps of Great Britain Perforated Line Engraved Issues by Wiggins 1962
,The postage stamps of the United States, produced by the Bureau of Engraving and Printing during the years 1894 to 1900. A complete reference list of all varieties. | Library of Congress,Great Britain George VI Stamps Used 1934-1936 | eBay,Postage Stamps of Great Britain Perforated Line Engraved Issues by Wiggins 1962,The Telegraph Stamps and Stationery of Great Braitain/The Postage&Telegraph Stamps of Great Britain/3冊/英語表記 - 貨幣収集、切手収集