Optima Zither Strings Harp/Air Resonance Zither Nylon Green 1321 F 15
Optima Zither Strings Harp/Air Resonance Zither Nylon Blue 1331 H 31
Optima Zither Strings Harp/Air Resonance Zither Nylon Green 1321 Fis 22
Optima Zither Strings Harp/Air Resonance Zither Nylon Blue 1331 B 14
Optima Zither Strings Harp/Air Resonance Zither Nylon Blue 1331 B 27
Optima Zither Strings Harp/Air Resonance Zither Nylon Blue 1331 Gis 34
