1896年5月15日海南岛三亚寄香港封, 盖清晰暗红色陆差邮政三亚双框正方形戳带框内手写日期, 下端有另一同色双圈圆戳, 英文字为"HAI/SAMAI/NAN"; 此寄香港之实寄封极罕见, 为研究海南邮政不可多之素材. Hainan IslandHainan Samah Land Post1896 (15 May) diminutive envelope to the Hong Kong Hotel bearing a fine strike of the square Land Post handstamp with manuscript date with the associated circular Hainan Samah handstamp, both struck in reddish mauve. A neat and very appealing cover. Photo