Enter prior owners as Provenance Related constituents
Link previous owners as far back to creation date as possible.
Roles:
Previous owner: collectors
Dealer: constituent is a dealer/gallery
Enter dates of ownership change in begin and end ISO dates. Enter an exact date if known, or year. Then click to select the most appropriate display date; in most cases that will be the yyyy-yyyy format. You must select a display date or this may appear empty in reports.
For new acquisitions, prioritize most recent owner prior to accession by BMA. If exact dates of ownership change are not known, enter year estimate and leave notes about the accuracy of the dates in remarks