Description: , Engraved chart with (empty) cartouche & compass-rose. (Publ. by “Joannes van Keulen en Zoonen”, after 1756). Ca. 49,5 x 57 cm. Behind passepartout. ? Koeman (Atlantes Neerlandici) IV, p. 392. Very rare sea-chart depicting the surroundings of Den Helder & the island Texel. – Vertical fold in the middle (as publ.). (Partly) waterstained in outer (blank) parts, sl. foxed/ browned.