This is a beautiful 4 stamp sheet, issued by Burundi in 2012, and featuring several precious minerals, including Liddicoatite Tourmaline, Tanzanite, Vanadinite, and a diamond. The sheet is Yvert & Tellier catalog #1676-9, 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:
