https://en.numista.com/catalogue/pieces70795.html
Listed under Country * Tokens * (United States) for some reason.
Made in 20th century with the triangle hole, and imitates the Cash coins of Emperor Ch'ien Lung (ruler 1736-1795). The reverse shows a dragon.
China Fantasy Cash Token; Triangle Hole, Qian Long Tong Bao 三角中孔乾隆通宝
It is believed to be a souvenir from one of the worlds fairs in the United States, or from a Chinatown in the USA. Some believe it is from the St. Louis worlds fair of 1904; others think it is from the Pan-Pacific fair of 1914.
It has two sets of four tri-grams ...
Yin: Sun / Li / Tui / Kun
Yang: Ken / Kan / Chen / Ch'ien
Someone is sure that > 'It is a 1939-40 San Francisco Worlds Fair - Golden Gate International Exposition (world's fair) Token, given away at the Chinese Pavilion on Treasure Island'.
If so then it is related to this
https://en.numista.com/catalogue/pieces112532.html token.
The Golden Gate Exposition was a World's Fair which ran from 1939 to 1940 at Treasure Island, a man-made island near San Francisco, California. It was operated partly to celebrate the completion of the Golden Gate Bridge in 1937.
https://en.wikipedia.org/wiki/Golden_Gate_International_Exposition
Even so, still trying to find out where it is from ...