Here are the entrances in Numista:

and here the coin in SCWC:

Then there is my conclusion here:

SCWC has only the non-magnetic version and does not mention the two different edge reedings, so as such we don't have a REAL km# for the two magnetic versions, though we might use the km123 as well. For search and logical purposes it would work very well.
I would suggest to have the KM#123 for the magnetic versions, and also to align the year line texts with my graphic and add the graphic to the magnetic version and link the two versions to each other?

