What is an original, what is a one of a kind, and what is a work of art? How do the condition, provenance, and history of a work of art affect its value? What sort of standards and criteria are used to judge a work of art?This and many other issues concerning the question of "How much does art cost?" are discussed by prominent experts, who explain how to classify and appraise a work of art from legal, conservational, and art-historical perspectives.The authors elucidate the importance of the artist's position in history, as well how works are classified within an artist's oeuvre. Helpful details-such as how to arrive at the correct market price and how to find one's way through the jungle of price databases-makes this anthology an excellent source of information for all collectors and art lovers, as well as for artists, galleries, auction houses, and everyone else involved in the art market.