This is a beautiful sheet of 4 stamps, issued by St. Thomas & Principe in 2011, commemorating the 2012 PV System Expo (Photovoltaic Power Generation System Expo) in Japan. Also featured on the sheet are the Meguru electric vehicle, NASA's (National Aeronautics and Space Administration) NanoSail-D2 space satellite, solar energy panels on homes, and a solar-powered bus. The sheet is Post Office fresh, mint never hinged, and F/VF. Click here to visit my eBay Store for other auctions and Direct Sale items:
