Assertion: bottle's mark | /r/HasProperty | pontil
Facets:
Source sentences:
text: Most bottles made before 1858 will have a "pontil" mark.
text: Larger bottles and especially soda bottles made between 1840 and 1855 have pontil marks.
text: Larger bottles and especially soda bottles made between 1840 and 1855 have pontil marks.
text: During the Civil War, the pontil rod was gradually but largely phased out, though some utilitarian bottles (a relatively small percentage) were still being produced with these pontil marks as late as the early 1870s.