Most people engage in different activities that they consider hobbies. When people consider a particular activity as a hobby, it means that people find that activity pleasurable in that they enjoy collecting different kinds of coins.
In this context, it does not necessarily follow that the coin collector will focus more on the monetary value of the coins. When the focus of coin collecting delves more into the monetary value of the coins than the gratification the collector obtains, it is no longer deemed a hobby but an investment.
History tells us that the main reason other generations collected coins was the value that coins would someday attain. The ancient form of coin collecting was even labeled a hobby