Hi,my Terms of service is:
for non commercial use,prices are on standard.while for commercial use,prices are higher,it can be negotiated for example,client only pay for a standard price for commercial use,the full rights for the artwork will not be given to the clients. i as the artist will also have rights for it.
all my artwork,commissioned or not will be displayed or posted on my artwork site/portfolio(with watermark and my logo)

YOU can contact me to this sites:

https://www.facebook.com/www.elgeron/ https://www.facebook.com/elgienard.geron.7

My artwork sites(where you can see my works):

https://www.deviantart.com/el-geron https://www.artstation.com/el-geron