This passport is valid for 10 years without renewal option as it was striked out on page 4. Hence why there is no cancellation clip or hand-stamped cancellation per normal practise.
On page 5, the original text
Holder has the right of abode in the United Kingdom, was striked out and another was handstamped along with a blind-seal.
HOLDER IS SUBJECT TO CONTROL UNDER THE IMMIGRATION ACT 1971.
British nationals without the right of abode will have this endorsements in their passports unless they have been granted indefinite leave to enter or remain. However, even though a British National (Overseas) passport does not entitle the holder the right of abode in the UK, this endorsement is not found in BN(O) passports (1999 and biometric versions).
This passport has frontier stamps from
- Lusaka, Zambia (1975)
- Israel (1979, 1982) with a visa issued in 1979 which is valid for 3 years