Barron London is an antiques and jewelry business located in Mayfair, one of the London’s wealthiest neighborhoods. At first glance its storefront seems inconspicuous — walk past in a hurry and you are unlikely to notice anything at all. But behind this unassuming facade is a private showroom containing a jaw-dropping collection of precious jewels, antiques, and artifacts, many of which date back multiple millennia.

Barron is just one of London’s many dealerships catering to the booming market for rare artifacts and antiques. However, the gallery has found itself coming under scrutiny this month thanks to a pair of ancient Persian earrings loaned to the actress Zendaya for her appearance at the London premiere of Christopher Nolan’s The Odyssey.

According to their official listing, the earrings were originally discovered in 1946 near the Ziwiyeh Castle in northwestern Iran and are believed to date back to around 700 BCE. Given this unique provenance, historians have been quick to criticize Zendaya’s decision to wear the precious items on the red carpet. Many have also pointed out the particular irony of an American actress wearing precious items belonging to civilization that her country’s president — just months earlier — threatened to bomb into the Stone Age.