1896年5月15日紫色陆差邮政三亚双框正方形戳剪片, 沿戳边裁剪, 手写日期为5月15日, 相信为存世最晚的使用记录. Hainan IslandHainan Samah Land Post1896 (15 May) a good strike of the square Land Post handstamp in mauve, cut to shape, with manuscript date in centre; diagonal crease. Thought to be the latest example of this postmark. Photo