Signed: 1

Inscribed: Recto: below image, lower left, in plate "Painted by Maria Cosway"; below image, lower right, in plate "Engrav'd by P.W.Tomkins Histl. Engraver to Her Majesty."; below image, lower center, in plate "THE BIRTH OF THE THAMES. / The Infant Thames, far in the distant Vale, / Gives its first waters tot he secret Gale: / Then, gliding onward, quite the Naiad Train, / And forms the wave that rushes to the Main. / To HER ROYAL HIGHNESS the PRINCESS AUGUSTA SOPHIA, / This Plate, is with Her gracious permission humbly Dedicated / by Her Highnesseses most obliged & devoted Servant. / R. Ackerman"; below image, lower center below title and dedication, in plate "London: Pub. Jany. 1. 1802, by R.Ackermann, Repository of Arts, No. 101, Strand."; below image, lower right, in graphite diamond with "9896"

Markings: CM: unidentified stamp (not in Lugt); Claghorn