Olympia Auctions on Twitter: "This incredible bird like mask netsuke is called Karasu-Tengu by a 19th century carver called Somin, made in tsuishu lacquer, signed 'Somin to'. From the Peter E. Müller
Japanese Tengu Mask – Papier-Mache Karasu Crow Kamen | Japan Antique Roadshow
Second Life Marketplace - Tengu Demon Bird Mask
What Are Tengu Masks? | Spirit of Japan
21*16*11cm Hand Carved The Karasu Tengu Ver Mask Noh Camphor Wooden Mask | eBay