Steampunk light up Phantom of the opera half mask by TwoHornsUnited on DeviantArt
Steampunk Phantom Half Face Mask Men Party Masquerade Mask Gold Silver | eBay
Steampunk masks | My Steampunk Style – Tagged "mask"– my-steampunk-style
Amazon.com: Halford Steampunk Phantom Masquerade Mask, Metal Cyborg Venetian Half Face Opera Mechanical Mask for Cosplay Props - Black : Everything Else