Swords encrusted with jewels and inlaid with gold, breastplates sporting chiseled abs, impressive Greek helmets oxidized by time to an otherworldly green. These are just a few of the remarkable Greek and Roman artifacts making up the largest private collection of ancient arms and armor in the world. But one item stands out among the rest: The Guttmann Mouse Helmet, an incredibly well preserved and ornate Roman Imperial helmet created in the mid-second century. Some of the helmet’s smallest details are also its most enigmatic, and still baffle experts today:…
