Buying a work of art is a big investment, so it is important to make sure you don't end up with a fake. Here are some tips to ensure you get the real deal: 1) Check the artist's authentication information and compare it to the artwork you are considering; 2) Look for signs of aging, such as natural wear, patina, and other irregularities; 3) Ask the seller for a Certificate of Authenticity; 4) Have the artwork appraised by a professional; and 5) Research the market value of the piece. With these tips, you can rest assured that your art purchase is the genuine article.