Appraise German Watercolor Drawings

I need an appraisal for early 20th-century watercolor drawings by a German artist. The primary purpose of this appraisal is for sale. Unfortunately, I do not have any provenance or historical documentation for these artworks. The condition of the watercolor drawings is excellent.

Key Requirements:
- Appraisal for sale purposes.
- Evaluation of early 20th-century German watercolor drawings.
- No provenance or historical documentation available.
- Artworks are in excellent condition.

Ideal Skills and Experience:
- Expertise in art appraisal, particularly with early 20th-century artworks.
- Familiarity with German artists and watercolor techniques.
- Ability to assess artworks without provenance documentation.
- Experience in providing appraisals for sale purposes.