Solving the Mysteries of the Gaku Ichibu

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I presented at the 2021 NNP Symposium about the Gaku ichibu, the first type of bar money ever made. The recording is below. The rest of the Symposium recordings are available at https://nnp.wustl.edu/library/multimediadetail/539070?Year=2021&take=50 (though there aren't any others about bar money!).