Tea pair, KPM Stamp 1844, Germany. hand-painted in gold. For 250 years, Königliche Porzellanmanufaktur Berlin has been one of the most important and exclusive companies for the production of high-quality porcelain. KPM Berlin was founded in 1763 by Frederick the Great. The cobalt blue scepter from the Brandenburg coat of arms testifies to superb craftsmanship down to the smallest detail.