Issued by the People's Republic of Congo on August 20, 1993, this scarce mint set of dinosaurs on stamps has a current retail value of $31.25 (2007 Scott Standard Postage Stamp Catalogue). The set includes six stamps, one of which is in a souvenir sheet (the highest denominated stamp). The dinosaurs/prehistoric animals depicted are: Ichthyostega, Archaeopteryx, Brachiosaurus, Tyrannosaurus, Pteranodon, and Brontosaurus.. The dinosaur names are inscribed on the stamps. The souvenir sheet measures 61mm x 91mm; the remianing stamps measure 46mm x 31mm.