I think they are pretty close, the 2nd look like the tomb king version with a more egyption style to them where the 1st look like your run of the mill skele's.
If you have both a mix & match of them would create a unique looking bunch though. Hope this helps
The Tomb Kings skeleton box repackaged the older skeleton models and added a sprue with the egyptian style shields and banners, as wel as a sprue with bows, quivers and skulls with headbands. The skeletons themselves are exactly the same, if I am not mistaken. Only the 7th edtion vampire counts skeletons are of a different type. The older box does contain some metal components for the command group, that lack in the tomb kings box.
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