Country: Niger, Year of Issue: 2019, Type: 7 Stamp Sheet, Topic: Animal, Stamps on Stamps, WWF, World Wildlife Fund, Animal, Bird, Fish, Grey Seal, Barbary Partridge, Western Red Colobus, Grenada Dove, Snowy Owl, European Mink, Redfin Parrotfish, Guernsey, Gibraltar, Guinea-Bissau, Grenada, Greenland, Georgia, Grenada, Carriacou, Petite Martinique