We contacted the original author. There is actually a way to edit Biglobe, but needs a different login webpage which is username and password protected. Biglobe has several version backups in the server. If we get permission successfully, we can edit the current webpage and override all versions. This will have to be done later, after we get all product number system codes and clearer box images. This will take a very very long time.
EF-58 (single car, yellow box, late front power), N-35, no barcode
C-12 (single car, yellow box, first generation power), TT-36, no barcode (This is not the first generation C-12, siderods are different)
Round Trip (往復) EF-66 (white and yellow box, front power), no number system, barcode and JAN recorded
L Express (Toukyu, EC Box), TT-nn (nn is faded, can't see properly), barcode and JAN recorded
New numbering system found: TT-nn
It does make sense: Numbers in ascending order = Newer release.
ST mark can come in yellow and white, so it is difficult to see and oversight can happen.
This is the second generation, not the first one. The first one has smaller levers and no grooves for the levers to rest.
Ahhh...there is the difference. I don't think I would have ever noticed that if it weren't for you pointing it out Vio.