A banknote issued during the reign of the Chinese Ming Dynasty.
<a rel="nofollow" class="external text" href="https://www.cointalk.com/members/scottishmoney.12789/">Scottishmoney</a>.
<a rel="nofollow" class="external text" href="https://www.cointalk.com/threads/one-of-the-earliest-paper-currencies-qing-dynasty-banknote.298265/">One of the earliest paper currencies - Qing Dynasty Banknote</a> (CoinTalk.com)