What can cause the glaze to disappear from a creamware sherd?
 
Among the creamware sherds, we have found several sherds without glaze.
They look, superficially, like bisque. The "bisque" sherds bear several
different decorative patterns, and we apparently have no whole vessels in
the "bisque." We don't have any records of creamware potters near the site.
So I'm concluding that we have creamware from which the glaze has been
stripped.
 
Any ideas?
 
 
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