This listing is for a vintage paper advertisement. This is a 1965 ad for a Bristol Siddeley and SNECMA Olympus Engines! The size of the ad is approximately 8.5x11inches. The caption for this ad is 'Four Olympus engines will propel Concorde at 1,450 mph - 800mph faster than any airliner flying today' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collection today!