When it comes to Barber half dollars, specimens that are in mint condition are typically the most valuable. Unused or undamaged coins almost always have a greater value than those in poor or indifferent condition. Of course older coins are generally more valuable to collectors, but more than just age can affect the value of a specific coin. Everyone knows that old and rare coins are desirable, but there is more than just age and scarcity that go into determining a coin's value to collectors. When thinking about market value for a particular coin, always try to assess the demand.