Welcome from NE Florida.
So you indicated you live in SC, what brought you to Valdosta, GA? Seeking warmer weather? Travel for job?
I sure some other owners of Shamrock 19s will chime in and perhaps be able to help with a value for your 2015.
Russ & Arlene
Our Travel Blog
2021 Vibe 21BH
2019 F150 Screw, 6.5 bed, 3.5 Twin Turbo EcoBoost
w/ Trailer Tow Package