Go to the For Sale forum here:
https://www.escapeforum.org/forums/f16/
Click the black button, close to the upper-left corner that says "New Thread."
You must include a price and if possible include pictures. You can include up to 8 pictures in each post and have as many posts as you need. See this for assistance in posting pics:
https://www.escapeforum.org/forums/f...otos-9057.html
Let me know if I can be of further assistance. Good luck on your sale!