Phoenician grinning mask (5th century BCE) found in San Sperate, Sardinia, on display at the National Archaeological Museum of Cagliari. It's an example of the "sardanios ghelos", the sardonic laugh mentioned by Homer and others in ancient times.
Tournament helmet - German
Horse helmet, 1510 - 1567, Germany
affordable prefab modern - all-inclusive price of $145/sf delivered, and $165/sf installed, 90% completed before shipping
Steampunk helmet via Etsy