The value of a 1966 half dollar is primarily determined by its composition and current market demand. While these coins are often referred to in discussions about silver coinage, it is crucial to understand that half dollars minted in 1966 are not composed of silver. The Coinage Act of 1965 eliminated silver from circulating dimes and quarters, and reduced the silver content of half dollars to 40%. Therefore, a 1966 half dollar contains 40% silver, unlike pre-1965 half dollars which contained 90% silver. The inherent value of silver is a significant factor in the coin’s overall worth.
Understanding the worth of this coin requires considering both its intrinsic metal content and numismatic value. Its silver content gives it a base value tied directly to the fluctuating price of silver. Furthermore, the coin’s condition, or grade, plays a pivotal role. A well-preserved example with minimal wear and strong details will generally command a higher price than a heavily worn coin. Numismatists and collectors often seek out specific mint marks or varieties, further impacting the potential cost. The historical context of the coin, marking a transition in U.S. coinage composition, also adds to its interest for some.