The Creature from the Black Lagoon's motorcycle helmet by Filippo Cazzaniga for Yamaha.
And a few more links:
1. How to make an Ewok sock puppet.
2. "Comming Soon."
3. Coca-Cola uses an artificial sweetener called "Trivia" and PepsiCo has on called "PureVia." Seriously?
UPDATE: It's "Truvia" and you can learn more about the sweetener in the comments.
4. Entertainment Earth has the Eric Tan Up posters on sale (expensive).
*Previously: Helmet Girls cosplay.
*Buy historical helmets at eBay.