Zale 16B-1 patent, tip WK-2

Zale 16B-1 patent, tip WK-2

Zale 16B-2 cotita, Wippermann

Zale 16B-2 cotita, Wippermann

Zale 16B-1 patent, Wippermann

Zale 16B-1 patent, Wippermann