SWITZERLAND HELVETIC TRUST MEDAL DITE "D'YVERDON" (1815) In silver. Obverse with Swiss shield captioned "SCHWEIZERISCHE EIDGENOSSENSCHAFT" and "MDCCCXV" (1815). Reverse marked "TREUE UND EHRE" in a wreath of foliage. The edge chiseled in laurel wreath. 28 mm - Net weight : 9 gRuban sewn to the ring. T.T.B. Given to the soldiers of the Swiss regiments who remained faithful to the King during the Hundred Days. Only 2019 copies of the medal were given.