海峡殖民地: 1904-07年分别寄广州及上海的进口图画明信片两件(角有缺损), 第一件经香港中转, 及两件皆盖英国B.P.O. 到达戳.China Postal History Incoming Mail Straits Settlements: 1904-07 two picture postcards to Canton and Shanghai (corner fragment missing), the first via Hong Kong and both with B.P.O. arrival c.d.s. (2 cards)