In the current financial crisis, when stock market indexes are falling and the only certain thing in the capital market is uncertainty, investors are paying more attention to art, which in addition to their artistic value, can provide a relatively high rate of return.

Growing demand on the art market results not only in higher prices, but also greater incentive to increase the number of works available on the market. One of the most popular and secure ways to purchase artworks is provided by auction houses or antique shops. Security measures concerning such type of transactions are ensured by professional art experts. They confirm whether particular artwork is genuine, as well as carry out its appraisal. Despite this immense responsibility, there has been an increasing number of cases in the recent decade showing that art experts do not perform their duties in a proper manner. These cases enhance discussion on more accurate regulation of artwork trade and the role of art experts. Below are the best–known cases from the Polish art market...