I agree with the OP the model decal looks like 660 and the link does not have a 660 model.
The two decals look odd to me too. Unless the stays and Mangalloy.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk