majolica

Earthenware decorated with coloured lead silicate glazes applied directly to an unglazed body.

The Italian Vase [top, left, p.8] is Majolica, […] The Ewer [bottom, middle, p.8] is a Palissy vase.

1877, Leon Arnoux, Director, Minton & Co., British Manufacturing Industries POTTERY, page #:42 https://archive.org/stream/britishmanufact08goog#page/n56/mode/2up/search/palissy Majolica was produced for the first time by Messrs. Minton, in 1850, and they have been for many years the only producers of this article. The name of majolica is now applied indiscriminately to all fancy articles of coloured pottery. When, however, it is decorated by means of coloured glazes, if these are transparent, it ought to be called Palissy ware […]

Earthenware coated with opaque white tin-glaze, decorated with coloured metal oxide enamel(s).

The Italian pottery, generally known under the names of Majolica, Raffaelle ware, and sometimes by the term of "Umbrian ware," through the production of the fifteenth century [...]"

Enamel - A vitrifiable substance; opaque, generally Stanniferous majolica [...]