China Naming Network - Naming consultation - When was Jingguang Bao Tong a coin?

When was Jingguang Bao Tong a coin?

By the way,

Annan is Vietnam today. Annan, ancient Korea, Japan, Ryukyu (1879 was annexed by Japan, now Okinawa and Kagoshima) and coins circulating in Japan all belong to the Greater China Cultural Zone. Due to the influence of China culture, Qian Wen is from China.

Such as Bao Tong.

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