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Show jumper Anneli Drummond-Hay (Anneli Wucherpfennig) riding 'Merely a Monarch' during the Nizefela Stakes at the Royal International Horse Show, Wembley, July 24th 1968. (Photo by Ed Lacey/Popperfoto/Getty Images)

Show jumper Anneli Drummond-Hay (Anneli Wucherpfennig)  riding 'Merely a Monarch' during the Nizefela Stakes at the Royal International Horse Show, Wembley, July 24th 1968. (Photo by Ed Lacey/Popperfoto/Getty Images)