J.S. Finkel, Brienz, silver & ebony
Johannes S. Finkel, Brienz, gold & tortoiseshell
Bernard Ouchard, gold & ivory
Werner Ernst, silver & ebony
Werner Ernst, silver & ebony
Aimé Kling, Nickel Silver/Ebony
J.S. Finkel, Silver/Ebony
J.S. Finkel, Silver/Ebony
Siegfried Finkel, Silver/Ebony
