
c. From 1899
GRUEBY POTTERY BOSTON U.S.A.
POTTERY wording appears after the FAIENCE CO. version, but both overlapped.
Pottery & porcelain · a closer look
A single word without a lotus or city is an early format.

c. From 1899
POTTERY wording appears after the FAIENCE CO. version, but both overlapped.

c. From 1898
FAIENCE CO. is the earlier lotus wording; it was still used after POTTERY appeared.

Undated
Straight-line wording distinguishes it from the later circular lotus stamps.

Undated
BOSTON MASS. distinguishes it from BOSTON U.S.A.; an example dates to about 1897.