The Guangxu Yuanbaoku made in Guangdong, which you saw in the market, weighs one or two silver coins, and they are all fakes. Authentic is Guangxu Yuanbao Library made in Guangdong Province. Because of its exquisite design and casting, this coin is called "Shouzi Yiliang" or "Shuanglong Yiliang" in Guangdong, presumably in the 31st year of Guangxu (198).
Collector Li Weixian and collector Shi Jiagan collected a "genuine" bat, both of which were collected by Shanghai Museum and the other one was collected by Hongxi Art Museum of Taiwan Province Province.
There are ten Guangxu ingots and twenty Guangxu ingots, with different versions and different prices.