Benin – Lockheed Orion Aircraft – 1000 Francs CFA – 2002 – Proof Silver Crown – Color – The Lockheed Orion was a single engine passenger aircraft built in 1931 for commercial airlines. It was the first airliner to have retractable landing gear and was faster than any military aircraft of that time. It was the last wooden monoplane design produced by the Lockheed Aircraft Corporation.