F.D.N. van Deventer (1st half 19th century) (Lion and tiger)

Two drawings in black crayon, both signed "F.D.N. van Deventer" and dated 20/ 21 August 1838, both sheets c. 44 x 30 cm.

Both with drawingpin punctures in corners/ margins, small tears, trifle foxed, some other small defects.