Yes, its legal. You can sell anything you want for as high as you want. *Yes, there are exceptions to this rule, but mainly for businesses, times of crisis*. As long as you don't say the phone is made of solid gold or lie about its value in any shape/way/form. Now if somebody tells you their gonna use it for a crime then it might get into a grey area.
And heck ya I would sell it for 30k. Ya, theifs might be able to use it. But really hey nokia better do something about it then.
And heck ya I would sell it for 30k. Ya, theifs might be able to use it. But really hey nokia better do something about it then.