Need Help With A Chinese "Tai Ching Ti Kuo" Copper Coin

Can anybody help identify this coin? I see that quite a few Chinese provinces used "Tai Ching Ti Kuo" on their coins, so I have had a difficult time pinpointing what province and date this coin is. Thanks for the help!
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I believe it is from the Liaoning province in north-eastern China. The mint mark is the sole character in the middle of the coin. A complete list can be found at:
https://en.wikipedia.org/wiki/Da-Qing_Tongbi
Thanks for the list! This will definitely come in handy for future identifications.
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My Numismatics with Kenny Blog Page Best viewed on a laptop or monitor.
ANA Life Member & Volunteer District Representative
2019 ANA Young Numismatist of the Year
Doing my best to introduce Young Numismatists and Young Adults into the hobby.