The authors apologise that within the above article, Savelyev, A., & Jeong, C. (Reference Savelyev and Jeong2020), the image used for figure 3 was incorrect.
The correct image is as below.
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Figure 3. The Buila inscription from the Treasure of Nagyszentmiklós (reproduced from Hampel, 1894).
The authors would like thank Dr. Béla Kempf who drew their attention to this error.