For those of you who saw our previous post about the glass mystery object from Saratoga National Historical Park (see Ask A Curator: Mystery Glass Object) , we’d like to share this photograph as a follow-up. In our opinion, the fragment in question looks similar the top center portion of the mold-blown inkstand shown below.
Source: Palmer, Arlene. Glass in Early America. New York: W.W. Norton, 1993.