- Creator:
- Thomas Watson, 1743–1781, Britishafter Sir Peter Lely, 1618–1680, Dutch, active in England (from 1643)
- Title:
- Barbara Palmer (née Villiers) Countess of Castlemaine
- Date:
- undated
- Materials & Techniques:
- Mezzotint on medium, moderately textured, cream laid paper
- Dimensions:
- Sheet: 16 11/16 × 13 1/16 inches (42.4 × 33.2 cm)
- Credit Line:
- Yale Center for British Art, Paul Mellon Collection
- Copyright Status:
- Public Domain
- Accession Number:
- B1977.14.9855