Pavillon d'Or issued by Edward, Prince of Aquitaine (1362-72), £36,000 at Harmers. 

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Struck in La Rochelle for use in English-held territory in France, it includes a well-centred portrait of the Black Prince standing with his sword with two lions at his feet plus four ostrich feathers within the fields to the reverse that are considered the origin of the badge of the Prince of Wales.