[Manuscript map] Schets van de Bogt van Pamankat en Overleggende bogt te Sambas, Batavia 1837

Manuscript map in ink and watercolor to show the mouth of the river of Sambas, indicating it is 'Onbevaarbaar' (unnavigable) in case of low tide. 43.5 x 56 cm. In passepartout under glass.