The following text accompanied the print: 
 
"White satin dress, with purple body, and long sleeves slashed at the top; bows of purple ribbon down the front. Mantle of purple, lined with white silk, bordered with gold, and edged with swansdown. Gold net cap with white feathers. White shoes, gloves, and fan. Necklace, earrings, and other ornaments of gold."
 
The Repository of Arts was an illustrated periodical which focused on art, literature, commerce, manufactures, fashions and politics. It was published by Rudolph Ackermann from 1809-1828. The Repository influenced fashion, architecture and literature during the Regency and late Georgian period. It included plates showing paintings, furniture and objects as well as two or more anonymous fashion plates such as the one here per number, sometimes with with one or two figures and occasionally a piece of fine furniture. 
 
Full Dress, April 1809, Plate 15.