This image was published in Candice's
Regency World article Court Dress, La Belle Assemblée, March 1806.

Figure 2: Court Dress, La Belle Assemblée, March 1806
“The Marchioness of Townshend in her full Court Dress as worn by her Ladyship on the Queen’s Birth Day 1806”

This print accompanies a biographical sketch of Lady Townshend, and is not referenced or described in the fashion commentary of the same issue.