Question

One of my classmates (collect) stamps. It is his hobby.​

Answer 1

Answer:

this is another amazing hobby.

Explanation:

the interest in collection and study of stamps is known as philately. this is nowadays seen in a lot of people. people buy antique stamps, and/or new arrival of stamps.

the fun fact is that after a certain point of time, those antique stamps have a greater value of money. this "hobby" can turn into a profitable investment.