Citation
"Feathered Cone Shell (Balthasar van der Ast)(Previously attributed to Bartholomeus Abrahamsz. Assteyn) , 1.2018.2,” Harvard Art Museums collections online, Dec 22, 2024, https://hvrd.art/o/183480.
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The shell is drawn in accurate detail in the center of the paper, it lies diagonally with its tip pointing to the upper right. The conical shell is depicted with a highlight and shadow below. It’s drawn from the back; the opening is not visible. The pattern is abstract with brown and white feathered patches and lines. White highlights near the bottom give the look of a shiny smooth surface. The word "Net" is written in decorative cursive on the left and "Hooren" written to the right of the shell, and artist initials in the lower right.