A close-up view of a white envelope with a clear plastic window revealing the contents. The envelope has a stamp in the top right corner featuring a lighthouse and the words 'POSTE' and 'DANMARK'. The stamp is in a blue and yellow color scheme. Below the stamp, there is a barcode and the number '402/07'. The envelope also has a return address label with the text 'ROVDE CENTRUM TANDLAAGE & IMPLENTANTER' and the address 'KROGSGADE 30, 5000 ODENSE C'.