Steingutfabrik Franz Anton Mehlem
producer/manufacturer
Steingutfabrik Franz Anton Mehlem / Steingut-Fabrik und Kunsttöpferei F.A. Mehlem, Inhaber Franz Guilleaume
"Royal Bonn"
Coblenzerstraße 81, Bonn. North Rhine-Westphalia.
Hersteller / Manufacturer.
Mehlem's new factory was founded in 1840. "Royal Bonn" trade mark was used from 1890 - 1920.
Franz Guilleaume born 20th September 1848, in Köln - died on 3rd January 1914, in Bonn.
The business was purchased by
Villeroy & Boch in 1920. The factory was closed in 1931.
Reference:
Porcelain Marks & More Bonn Adressbuch 1902 Other Addressbooks More Addressbooks
Stein shown complete with marks immediately underneath.

Impressed roundel mark, plus ink stamped tower mark, together with decoration number & decorator signature.

Impressed roundel mark, dated circa 1870 - 1920

Handwritten ink mark, "Royal Bonn, Delft", dated 1890 - 1920.

Impressed roundel mark, dated circa 1870 - 1920

Ink stamp tower mark, dated circa 1885 - 1920.

Ink stamp mark,"Crown & shield", plus impressed roundel, dated circa 1890 - 1920.

Blue and White "Delft" stein

Handwritten ink mark on the above Blue & White, "Royal Bonn, Delft", dated 1890 - 1920.

A strong Jugendstil influenced design.

Basemarks on the featured Jugendstil stein above.

Handwritten "Royal Bonn, Delft", dated 1890 - 1920. Ink stamp,"Crown & shield", dated circa 1890 - 1920. Ink stamp mark "Triangle" dates unknown.

Handwritten ink mark, "Royal Bonn, Delft", dated 1890 - 1920, plus impressed roundel mark.