Hi sole
Due to the money laundering regulations, a stockbroker will not be able to sell your shares for you unless you open an account and provide identity. So you have to go through that process.
I use Campbell O'Connor who make no fuss about dealing in share certificates. camocon.ie
Maybe give them a call first to see if they can sell them without an account, but I doubt it.
The Registrars for Imperial Tobacco are Equiniti Limited [broken link removed] You could give them a call and ask them if they offer a share dealing service.
Brendan