I know that you can sell your bitcoin to trade plattform like coinbase etc.. BUT you need to verify your identify, so it' s not anonymously.
How do you cashout your bitcoins anonymously then?
Is there a problem whether you need to verify your identity? If you don't need to hide on something then you should not worry about verifying your identity to sell your bitcoin. I also have to sell my bitcoin and some of it was already verified so I can sell my bitcoin anytime or any amount I want. I think there is no problem with that.