Hong Kong Letters Patent 1917

The Hong Kong Letters Patent 1917 was one of the principal constitutional instruments of Hong Kong when she was a British Crown colony and dependent territory, being part of a series of other letters patent that included the Hong Kong Letters Patent 1960, the Hong Kong Letters Patent 1982, and the Hong Kong Letters Patent 1991 (No. 1).

Source: Wikipedia — Hong Kong Letters Patent 1917 (CC BY-SA 4.0)