Excavation of a 2,500-year-old bronze foundry at Guanzhuang in 🇨🇳
— 🅰ntiquity Journal (@AntiquityJ) February 20, 2024
It features the oldest securely-dated coin mint, which began operation between 640-550 BC and produced spade-shaped coins.
🔗 from 2021 (£) https://t.co/wofsLHD02N pic.twitter.com/wUMmEMEGXi