I don't have reliable information about this specific artwork in my training data, so I cannot write a factually accurate description of it. To provide you with accurate details about this ink bamboo painting by Wang Zhengkun (Taiho Shokon), I would need access to verified sources about the artist, the work's provenance, and its characteristics. If you have access to the auction catalog or museum documentation, I'd be happy to help you craft descriptive language based on those sources.