This is a beautiful sheet consisting of 6 stamps, issued by Guinea in 2007, illustrating lighthouses in artwork. Featured paintings include "The Lighthouse at Two Lights" by American artist Edward Hopper, "The Lighthouse" by Italian painter Renato Guttuso, and "The Lighthouse at Alexandria" by surrealist artist Salvador Dali. The sheet is Michel catalog #4821-3, and is Post Office fresh, mint never hinged.