cover -- 1899 (5 April) pre-paid "cash" Hong Kong 1c. stationery card from the Wesleyan Mission at Hankow to London, uprated with Hong Kong 2c. pair and showing at lower left "dollar chop" despatch c.d.s., similar Shanghai transit (8.4) alongside, card and adhesives cancelled at the British P.O. in Shanghai (also 8.4); an extremely late example of pre-payment prior to the introduction of the "I.P.O." tie-prints. Photo