I was doing research on the urn mark on a jewelry brooch, cresent moon with star middle, had ZB scratched next to 925 urn mark. This led me to here. https://collections.library.yale.edu/catalog/16169342 Then to here. https://brbl-dl.library.yale.edu/vufind/Record/4353429 Noting that Zachariah did indeed dabble in jewelry. [Record of silversmith work for Dr. James Lloyd] From: Zachariah Brigden papers