Selling my knife for real money

[Seejayayy]

I'm trying to sell my Karambit Marble Fade https://s.metjm.net/QPNzJJt.jpg where can I sell my knife for real world money and what can I expect when trying to sell my knife? What are some precautions I have to take and how much would I expect to sell the knife for?

 

[MindFuckJep]

Hi sir how much do you want for it? And can i ask for your number so we coyld negotiate faster?