Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Littleton Coin Company -  Littleton Coin Company is a privately held major American mail order and retail company focused on numismatic (currency) collectibles and based in Littleton New Hampshire. The company focuses largely on U.S. coins and world coins as well as a variety of paper money and ancient coins. Largely focused on direct mail Littleton publishes catalogs several times yearly and has a coins-on-approval program.
A:
Company