Those involved in issuing this were, prudently, anonymous.
From pinterest.com/galeblair/antique-engravings/; removed spots with Photoshop and monocolor tint. Also posted to Marie Antoinette, née Archduchess Maria Antonia’s Subalbum here.
This is possibly a nostalgic look back at Marie Antoinette from the year she was executed. The large-curl coiffure looks to be ca. 1780. The dress could have a zone bodice.
Keywords: Marie-Antoinette, Maria Antonia, reine de France, Archduchess, Queen, Habsburg family, Bourbon family, French, straight coiffure, large curl chignon, feather headdress, ribbon headdress, earrings, scoop neckline, ruffled modesty piece, upper puffed sleeves, jeweled arm bands