China Wei-Hai-Wei Chinese Labour Corps 1917 first printing special envelope (san serif letters), the larger size envelope (102x154mm), the reverse bears the legend in Chinese characters, "Chinese who write letters must put them in the Chinese letter box. Unless they put them in this box the letters will not arrive. Your number and your name must be filled in ... British Wei-Hai-Wei Government Chinese Recruiting Office ... ". Unused and in exceptionally fresh and fine condition. Rare so fine. Photo Estimate HK$ 10,000-12,000
