Check your change: Newly-designed coins celebrating the nation's semiquincentennial (aka, its 250th anniversary) are entering circulation today.

The U.S. Mint recently unveiled seven new coin designs in honor of America’s 250th anniversary. The first ones went into circulation this week.

Coin collecting is a hobby that has been around for years. Chances are that you may have a relative or know someone who’s an avid coin collector — or maybe you are one yourself. While it may seem like ...