A piece of tartan cloth found on the ship Osebergskom. The Huldremose woman who lived in "the Iron Age" wore a plaid gown. Wikipedia says the find is around 340 AD at the latest. (And now no one can argue against Vikings wearing plaids.
Rare bird shoe was found in Haarlem, The Netherlands, dated around Part of an Archeological Museum exhibition dedicated to the memory of Olaf Goubitz, a Dutch archeologist who specialized in medieval leatherwork.