Looks like the Varsity has some older stuff on it like the crank in particularwhich appears to be pre-1967 to me but I could be wrong, The '64 Varsity I did had that crank but the '68 in my rafters does not.
I don't think the Lark belongs at all since a Varsity that age would have had Huret DRs but probably badged as Schwinn parts.
Edit-here's the '64 I did and I believe it had all original components on it.
