Yes.
I don't believe there are any territories inside a sovereign nation except embassies and consulates. Gibralter is a British territory located on the Iberian Peninsula next to Spain. It is not "in" Spain.
British Warships in the Age of Sail was created in 2005.
I think you mean which former British territory, since it is no longer a part of the UK. Australia is both a continent and country.
There was no British 1974 Half-Sovereign minted. The first decimal British Half-Sovereign was minted in 1980.
The Sovereign was not reintroduced into the British currency until 1817.
No, it is a territory of the sovereign Republic of the Marshall Islands.
After a break of a few hundred years, the Sovereign was reintroduced into the British currency in 1817. There was no 1802 Sovereign.
Half sovereign - British coin - was created in 1544.
There were no 1804 British Sovereigns minted. The Sovereign was reintroduced into the currency in 1817.
There were no British Half-Sovereign coins minted from 1938 to 1979 inclusive
There were no British Half-Sovereign coins minted from 1938 to 1979 inclusive
There were no British Half-Sovereign coins minted from 1938 to 1979 inclusive