Have a try to obtain its ascii code. If available you can then search for it in the web.
Select one of these characters then go to the Immediate window of VBE (Ctrl+G if not visible), paste this code and press Enter:

Or you can try to detect its font name and code ... same as above but use code:

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Difficult is not to know but to share what you know (Han Fei Tzu reworked)