19in x 15.5in pre 1824 (no country of origin mark) Clews Upper Ferry Bridge Over The River Schuylkill Platter. Bottom stamp indicates Joseph Stubbs is English maker. This bridge was longest wooden bridge in 1820 and this was from an actual engraving of it. 4 spread eagles in the border design. (near Art Museum in Philadelphia) Schuylkill is a Dutch word meaning 'hidden mouth' (of the river). Check out Patriotic Americana china by English potterers in 1820 celebrating birth of new nation!!