The Boston Celtics is a professional basketball team based in Boston, Massachusetts.  Boston Celtics are part of the National Basketball Association (NBA). We carry Authentic, officially licensed, limited edition sports memorabilia and collectibles guaranteed 100% genuine. Licensed products are authorized by National Basketball Association (NBA), the Boston Celtics and the players themselves. They carry the official trademarks and logos. For authenticity, collectible value, exclusivity and enjoyment of ownership nothing compares to an official commemorative coin or photo mint.