C. Tielsch and Company (C.T.) cobalt mark, Waldenburg – Altwasser, Germany (Poland). 1870 – 1900.

C. Tielsch and Company (C.T.) cobalt mark, Waldenburg – Altwasser, Germany (Poland). 1870 – 1900.

Manufacture: C. Tielsch & CompanyCity: Waldenburg – Altwasser (Wałbrzych – Stary Zdrój)Country: Germany (Poland)Years: 1870 -1900 Objects with this mark:

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