Octagonal Bilston enamel patch box from Dover C1790

Unusual octagonal shape enamel patch box.  The sky-ground base is matched with the lid's border.  There is a hand-painted picture of a house, a tree and some birds on a wall with the motto; 'A Trifle from Dover'.  This has a gold leaf and white raised dot border.  Bilston C1790.  Internal glass mirror (silver completely gone).