That I don't know, but I wanted to mention --
to others wanting to see silversmithing by women smiths, there is a
really terrific collection at the National Museum of Women in the
Arts, in Washington D.C. on New York Ave. Wonderful museum.
They have works not only by American artists, so it's possible that
they would have something by Hester Bateman. They've published a
book on their silver collection.
I just checked at their website. It says their collection is of Irish
and English women smiths. They don't own any thing by Bateman, but
you can read her profile and see images in her portfolio.
I encourage everyone to take a peak.
And if you're ever in D.C., stop by the museum. You won't regret it.
They also have a lovely restaurant.
Metalsmith, Certified PMC Instructor
Hard to Find Tools for Metal Clay