My mistake admin, I hope I haven't upset you or broken any rules!
Its allowed by the site rules and admins. Its the community who may negative trust you. Since its known that this account is for sale no one will buy it either as a known bought account is looked at poorly.
I wouldn't want to indulge in the deception of trust anyhow,
Cheers!
(and sorry for off-topic)
Account trading is allowed, but revealing it risks it.