Noble Investments (UK) PLC, through its subsidiaries, operates as a coin and stamp dealer and auctioneer in the United Kingdom, rest of Europe, North America, and internationally. The company engages in the retail trading and auctioning of collectibles, including ancient and foreign coins comprising byzantine and Indian coins, Islamic and Middle East coins, modern and ancient Greek coins, English hammered and milled coins, European and Latin American coins, Russian coins, oriental and colonial coins, and other coins; commemorative medals and tokens; banknotes and paper ephemera; military orders and decorations; fine arts, antiques, jeweler items, and collectibles; and world stamps. It also deals in and auctions various rare and valuable numismatic and philatelic books, manuscripts, and contemporary works on paper. In addition, the company provides various services relating to the valuation of coins. It buys and sells coins through retail trade, exhibitions, and auctions, as well as online. Noble Investments (UK) PLC was founded in 1872 and is based in London, the United Kingdom. As of November 21, 2013, Noble Investments UK plc operates as a subsidiary of The Stanley Gibbons Group plc.