It seems that different G-nn numbers exist for the same box that has a different ST mark.
We have found "Kaisoku Densha" and "New Densha" numbers where black ST mark is G-19 and red ST mark is G-21, we will continue looking for other boxes with different ST mark colours.
![[Image: EVm96-H8-U8-AAv-WQc.png]](https://i.postimg.cc/G96MHgNh/EVm96-H8-U8-AAv-WQc.png)
We have found "Kaisoku Densha" and "New Densha" numbers where black ST mark is G-19 and red ST mark is G-21, we will continue looking for other boxes with different ST mark colours.
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