50c: Ethiopia's Omo National Park is featured on this 1999 issue, showing typical fauna of the region. The lower Omo River area was declared a UNESCO World Heritage site in 1980, being the site of the oldest known fossil remains of Homo sapiens, dating back 195,000 years.
600fr+20fr: Ivory Coast is one of the few African countries to issue semi-postal stamps, which have an added value, usually for social causes. This 2002 issue celebrates the World Cup, hosted by Korea and Japan.
Sh. 600: this colorful reef scene celebrates tourism on Mafia Island, the southernmost of the Spice islands of Tanzania. With a size of 394 sq. km., this island is a tourist destination for lovers of beaches and snorkeling.
500fr: the small isles of Nosy Iranja are pictured on this 2007 issue showing tourist sites; off the NW tip of Madagascar, these isles are known for the Hawksbill turtles that come annually to lay eggs in the isles' white sands