Exposition - Bourse de mineraux
http://www.sn-mp.ch/http://www.sn-mp.ch/bourse.html12-13 may 201827-28 may 20177-8 may 20169-10 may 201510-11 may 201420-21 april 201310-11 march 2012Salle polyvalente de Cort'Agora
Chemin des Draizes 23, 2016 Cortaillod, Switzerland
(was: Polyexpo La Chaux-de-Fonds, Rue des Crêtets 14, 2300 La Chaux-de-Fonds / Neuchâtel)