Do you - engraving Austrian artist Mathias de Sallieth (1749-1791) from a drawing by the Dutch artist Dirk de Jong (active 1779-1805).
This is - an illustration cut from the book: JONG, D. de. Atlas van alle de zee-havens der Bataafsche Republiek. Amst., J. Allart, 1802. (Prints are printed before - in 1780-ies.) Total, this book contains 28 illustrations, prints and
http://www.bn.nl/new_index.php?page=.... + Zee-havens estimated at 4500 euro.
Prices for some of Mathias de Sallieth in the range of 50 - $ 100: see, for example, in
http://www.findartinfo.com/search/li...M._De_Sallieth
A single sheet of the book, probably cheaper.