You can learn about foreign countries and be able to identify their native plants, animal, festivals,holiday, and famous people.
You can also learn about the countries' monetary systems and currencies.
Another advantage is that collecting stamps is away to increase your social skills.
You can meet people who share your interests by joining a stamp club.
Oh you may get involved in community events such as local stamp shows and have a chance to make new friends. Finally,this pastime can help reduce stress.