The art market is one of the last significant global markets to operate without mandatory price transparency. Unlike stocks, bonds, real estate in most jurisdictions, or commodities of any kind, art transactions — particularly private sales — carry no legal obligation to be reported publicly. This opacity is not accidental. It has served the interests of dealers, auction houses, and certain collectors for generations. But it has also created an environment in which uninformed buyers consistently overpay, significant works are chronically undervalued due to poor documentation, and the gap between those who understand how the market works and those who do not translates directly into financial outcomes. This guide closes that gap. It explains how the art market actually functions — without mystification, without the genteel vagueness that typically surrounds the subject, and without any agenda other than giving collectors the knowledge they deserve.  The Two Markets — Primary and Sec...