Zwiebelmuster Fancy Bread 27.cm, Original Bohemia Porcealin from Dubi
Zwiebelmuster Fancy Bread 27.2cm, Original Bohemia Blue Onion Pattern from Dubi
Volume: 1.8LHeight: 13cm
Diameter: 27.2cm
Weight: 1970g
Painting (Onion Pattern) is under the glaze which makes the product safe to use in microwave and dishwasher. Breaking the product with a force is the only way how to interrupt painting.
(Glaze is thin, clear, and protective material applied to ceramics)
The product is very safe to use - more at http://www.zwiebelmuster.eu/zertifikat-zwiebelmuster/
In Czech Republic, There are many producers of Blue Onion Pattern, but only Bohemia Blue Pattern from Dubi using this trademark:

The trademark has been modified over the years. More you can find here: http://www.zwiebelmuster.eu/geschichte/