
c. 1900–1999
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The source describes this as an early twentieth-century mark; the interval represents century-level precision.
Pottery & porcelain · a closer look
The source describes this as an early twentieth-century mark; the interval represents century-level precision.
20th century mark

c. 1900–1999
The source describes this as an early twentieth-century mark; the interval represents century-level precision.



