Did you know that 2008 is The Year of the Frog? Zoos, botanical gardens and aquariums around the globe are joining in a massive public awareness campaign to highlight the amphibian extinction crisis.
This 1974 North Korean postage stamp illustrates the Rana catesbeiana … better known as the Bullfrog! It was part of a set of four stamps all featuring frogs. The stamps were issued without gum.