Hong Kong. (Austria). 1909. Envelope written from Austria addressed to Hong Kong, China bearing Austria Yvert 104,5h green and Yvert 108, 20h brown tied by Wien date stamp '29th Dec 1909' with Hong Kong receiver '18th Feb' with boxed instructional 'Advertised/ Unclaimed' on face (Webb Type X) and forwarded three months later to Yokohama '18th May 10' receiver on reverse in violet. Very fine.