This is a beautiful sheet of 5 stamps, issued by Guinea-Bissau in 2009, displaying minerals and volcanoes. Featured are Aquamarine Crystal, Pyrrhotite, Chrysoberyl Alexandrite Twin, and the Amethyst Quartz Scepter, along with various volcanoes. The sheet is Michel catalog #4432-6, and is Post Office fresh, mint never hinged, and F/VF. Click here to visit my eBay Store for other auctions and Direct Sale items:
