ECHTERNACH. Part de Fondateur. blue. #5000. No 4128. Large format, with attractive vignette of the castle at Echternach, and the company logo. The company was formed to exploit the waters of Echternach for table-water, for medicinal purposes, and for salts. It was also authorised to create a thermal establishment and casino. First time we see this founder share. A little brown foxing.