Getting the actual value of any piece of art work can be a major challenge. This is mainly because there is so much that goes into a painting that it is not really easy to evaluate and put a price on it. Some pieces take ages to complete and the inspirational factors can be too complex that some people even have problems comprehending what the painting is all about. Besides the regular market forces of demand and supply, aesthetic items have other unique influential factors that affect their pricing in the market. To say the truth, art often sales by the bid. This means the artists gets to sell to the highest bidder.