Head without shadows - 5$
Head with shadows - 7$

Half body without shadows - 7$
Half body with shadows - 10$

Full Body without shadows - 10$
Full Body with shadows - 20$

Reference (+both sides/ +head/ +mouth/ + colour tabs) - 25$

I don't have such additional charge for aditional characters, or background, the price is fixed for whole art, nevermind how big or hard it is.