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@Bamnamu:, ah, my bad. I should have double checked that I one, I mostly searched based on the phrases. It's too bad that the Chinese encyclopedias didn't list their sources so I couldn't verify the original sources and had to find others. --Donald Trung (talk) 20:36, 4 October 2019 (UTC)[reply]
I will look for a source that just lists all the arguments for the coinage being produced by either Balhae or Goryeo, but as I can't speak or read Korean I am handicapped in this respect. --Donald Trung (talk) 20:37, 4 October 2019 (UTC)[reply]
Also, a minor addendum, I wasn't aware that the SuguoSogou Encyclopedia was user-generated as I didn't any "edit" buttons and assumed that it was another type of article. Apparently Chinese encyclopedia plagiarise each other's content and I found that exact article in 3 (three) different encyclopedias, including the Baidu Baike. Can you help look for Korean language sources? Very little is written about this coin in English. --Donald Trung (talk) 20:45, 4 October 2019 (UTC)[reply]
@Donald Trung: No problem. I really appreciate your contributions to Wikipedia and admire your passion for coinage. I'm sorry if I come off as critical, but please understand that it is not intentional. My search for Korean information about the Geonwon Jungbo in relation to Balhae came up empty, unfortunately. If I come across reliable Korean sources about the Geonwon Jungbo in the future, specifically about it originating from Balhae (or elsewhere), then I will let you know or add them directly to the article. Cheers. Bamnamu (talk) 21:31, 4 October 2019 (UTC)[reply]
@Bamnamu:, I thank you for what you're doing, the content we contribute to Wikipedia has standards and should be verifiable using reliable sources, so any criticism is always welcome. Honestly I am beginning to think that the Balhae hypothesis might be almost exclusive to Mainland China, but I do understand the arguments and in Mandarin language media does not seem to be written in isolation. While I've been able to find more reliable sources for some of the claims I couldn't verify all. I did find Russian studies into Islamic coinage found in Balhae and would probably expand on that if I have the time.
The monetary history of Korea from 1600 onwards is very simple, the monetary history of Korea beforehand is a bit more complex. Like with Vietnam the economy wasn't completely money-based until quite late despite government attempts, and most research I can find tends to be more archeological in nature rather than numismatic, so it's less conclusive. Also I really rushed this article as I usually proofread before publishing but made a major stupid mistake by including arrow coins which were clearly from the Joseon period. Thanks for your many improvements. --Donald Trung (talk) 21:40, 4 October 2019 (UTC)[reply]
