themarksproject.orgUndatedL N PObserved example dated ca 2017; this does not establish a mark-use interval.
themarksproject.orgUndatedLowder Pottery 2016Observed example dated 2016; this does not establish a mark-use interval.
themarksproject.orgUndatedLowder PotteryObserved example dated 2016; this does not establish a mark-use interval.
