This thesis is dedicated to the valuation and investing in coins. The main aim is an explanation and determination of main factors influencing prices of coins. The first part deals with a comprehensive presentation of numismatics as an object of collecting, investing and explain its relationship with modern banking. The second section defines the four main factors influencing the value of coins. It defines their importance, the specific effect on the price and attempts to quantify their exact values. This chapter also mentions three authorized methods of valuation according to a Czech law. The third part is an analysis of three favourite gold investment coins, based on market values for the past five years. The result of the last chapter is...