Hong Kong Certificate of Identity Hong Kong Certificate of Identity The Hong Kong Certificate of Identity (CI; ) was a formal travel document and passport, issued by the Hong Kong Government's Immigration Department until June 30, 1997 (See transfer of the sovereignty of Hong Kong). It is no longer possible to possess a valid CI as a travel document, as all CIs have expired by 30 June 2007, though most CI holders should be eligible to hold the HKSAR Passport. Certificates of Identity were issued to Hong Kong permanent residents who did not hold and could not obtain any valid travel documents for overseas travel.
Postage stamps and postal history of Hong Kong only British soldiers in Hong Kong could use British stamps while other local residents did not have any. Hong Kong has issued a variety of stamps since 1862. Hong Kong formerly produced postage stamps with the name "Hong Kong", with the face of the reigning monarchs of the United Kingdom, or with the royal symbols (e.g. "E.R."). After the Hong Kong's transfer of sovereignty to China, all further issues bore the name "Hong Kong, China"; British Hong Kong postage stamps were no longer valid for the prepayment of postage, nor did the Post Office offer to repurchase them. publication) Postage