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Square, Rectangle & Other Geometric Shapes

Pottery & Porcelain Marks – Square, Rectangle, & Other Geometric Shapes: Marks of squares, rectangles, and other geometric shapes have been in use since the 19th century and are still in use today. Many of these marks have a modern look with the basic design of a single line forming the shape. Names of the pottery that makes the pieces often appear inside the shape. There is also a combination of two or more shapes as marks. For English Registry Mark, see "Marks – Identification Help" and click on the "English Registry Marks" section.


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Appearance of Mark
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Date(s) Mark Used
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Factory or Artist Dates
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Related Factory Name(s)
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