How much would it cost in duty fees to import a painting worth $450 USD from Turkey to the US?

I want to buy a painting online but they said that any import fees, duties, or taxes would be up to me to pay and I don't want to buy the painting of it will cost just as much just to get it here. The seller said they would pay for the shipping.|||it would cost $40|||There is no duty on art. see http://www.usitc.gov/publications/docs/t鈥?/a>