"icesticker" does not have any reviews of the type you are looking for..
I take commissions
http://icesticker.tumblr.com/Commissions
Sketch single - 20 USD - per character
Single Character - 40 USD (cell shaded)
i.e. NSFW SFW
Soft shading extra to be negotiated on a per picture basis (example example 2) - typically around 6
Age 35
Joined on 12/3/18