The product is a set of three first day covers from Guinea, dating back to 1977. These covers feature the World Wildlife Fund's endangered species theme, with vibrant multi-color designs highlighting nature and wildlife conservation. Each cover includes a card and was canceled on the first day of issue, adding to its collectible value. As a used item in very fine condition, these first day covers provide a unique glimpse into the history and focus of postal issues in Guinea during that time period.