This is a beautiful sheet of 2 stamps, issued by Guinea-Bissau in 2010, displaying tropical fish and corals. Featured animals & plants shown include the Regal Sea Fan, Blue Reef Chromis, Deep Water Sea Fan, and the Eartheater Cichlid. The sheet is Michel catalog #5079-5080/Bl.873, and is Post Office fresh, mint never hinged, and F/VF.