This number is rare. No example is recorded in the image database.
Height; from the shape book, 4-1/4 inches (10.5 cm)
Shape book 'B'
Agate Ware range, 185 - 193.
In shape book 'B', the page for numbers 185 & 186 is headed "Variegated Ware". The sketches indicate this style by scribbled shading. The same scribbled shading appears on each shape in the range 185 - 193. There are so far only a couple of examples in the image database and they are indeed agate ware.