Royal response from His Royal Highness The Prince Consort of the Netherlands on the occasion of his 75th birthday.
Born Klaus-Georg Wilhelm Otto Friedrich Gerd von Amsberg on 6th September 1926 in Castle Dötzingen, near Hitzacker, Germany to Claus Felix and Gosta von Amsberg.
He married Her Royal Highness Princess Beatrix of the Netherlands on 10th March 1966 who became The Queen of the Netherlands 30th April 1980.
The reply is in the form of a card in Dutch
Card
Translation
His Royal Highness Prince Claus of the Netherlands would like to thank you for the congratulations he received on the occasion of his 75th birthday.