Kähler Hammershøi Flowerpot Useful information about Kähler Hammershøi Flowerpot  Size: 14,5 x 8 cm.Material: Porcelain. Kähler - Artwork since 1839. Kähler is known for beautiful products in porcelain with the finest quality craftsmanship and Scandinavian design. We know Kähler as a brand with strong artistic identity, but what very few know is that the company since 1839 has worked with the best Danish artists and over the years received a lot of international design awards.