Signature illisible: 30 études d'orchidées, aquarelle sur papier, datées entre 1907 et 1920

Paper: 30,5 x 21 cm (the largest)
Paper: 23,5 x 16,5 cm (the smallest) 

Provenance: The former Prekelinden Castle orangeries, Boulevard Brand Whitlock, Brussels.

Condition:
- In good condition, with some traces of use. Minor foxing and discoloration. One with smaller holes in it.
- Nice ensemble. 
- See also the additional pictures.