I had this on my 2011 F350 but it fits most pre 2017 Super Duty's and according to the manufacturer many F150's as well. It is in very good condition. Here is a link to a retailer that shows it's current selling price is $699.
https://www.hitchweb.com/product/88/AVEL28/5th-Wheel-Tailgate-Elite-Series-Ford
FEATURES OF THE CUSTOM FLOW 5TH WHEEL TAILGATE #AVEL28
Steel construction and locking design
Powder coat finish
Improves rear vision and gas mileage
V-cut for easy hook up to 5th wheel trailer
Fits Ford
1997-2014 (Exc. 97 F250 H/D, 97 F350, 2004 -2014 F150)