19th century German marquetry writing desk

19th century German collector's desk with a geometric marquetry top featuring star motifs in contrasting woods. The desk is fitted with 20 small upper drawers, open compartments, and three larger drawers below. Executed in walnut veneer with turned legs and original brass handles. Includes key. Condition consistent with age and use. The desk shows veneer wear, scratches, and a crack to the top as visible in the photos.