[QuantaCondor]

Of the cards you listed, here's my view as a player who has competed in and won PeL, talking about how these cards would compete in diamond and PeL (speaking in general terms, probably most PeL players would agree with these assessments):

Honus Wagner - No version of him is considered a top-tier card. The SE is fine, the new Peak is a bit better, the old non-peak is not good

Babe SE 1923 - This is just not going to play at high levels; power gets worse because of a thing called league normalization. Basically, on top of power making your BABIP worse, the league has roughly the same amount of HR it has to pump out every year. The higher you go, the more POW the league has, so your HR% scales down quickly since there are many more POW mouths to feed leaguewide (and you still lose out on BABIP). If you don't have a boatload of avoidK, then having low-ish avoidK is going to kill a lot of your production.

Frank Thomas - fine budget card, good vL, but not good vR and not even a top level vL DH either

Kaline - This is probably the most competitive of the cards here so far, but still isn't something people run at the top levels because of some marginally better options

Berra - Probably worse than FOTF Mauer, perhaps worse than the new SE Simmons also. He's not terrible but better options exist

Brett - This is a top level vR 3B, no issues here (although strictly speaking SE Boggs is the best 3B now)

Hornsby - assuming it's the FOTF, it is an elite card, no qualms

the good Mantle - I don't think there's a "good" mantle at the highest levels. The OF has a lot of righty options to kill LHP, and then guys like FOTF Griff, SE Ashburn, even the new SE Rose are better vs RHP

TOTY Bieber - I think he's fine, he's not like mega elite but as pitchers go you could do worse (depending on park factors)

Walter Johnson - assuming it's the FOTF, yep elite. Otherwise, really not that good

HL JV, HL Spahn - All kinda third-tier filler cards relative to the top stuff

Finley - probably a fourth-tier card

I think this looks like a team that could maybe make the playoffs in gold as a WC or so, but would get demolished in diamond. Looks like you have a lot of nonlive historical perfects, but the set of them that aren't necessarily the best of the best.

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As for the basis of these evaluations, it looks like you have a ton of power and not as much avoidK as you might want. Like catch said before and I kind of said, your POW falls away aggressively as you go up the levels in terms of contributing to your batting average. BABIP is also roughly constant; a BABIP stat will generally give you similar BABIP results at all levels. As a result, avoidK (assuming your BABIP isn't terrible, like a guy like Yogi) really ends up driving your batting average at all levels.

So that Ichiro you see might have lower CON, but the CON stat you see isn't inflated by POW at all; it's all raw BABIP and avoidK that won't fall off as you go up the ranks. Similar with SE Ashburn, SE Rose, FOTF Gwynn, Pop Lloyd, Boggs, Roger Connor; they build their CON stats on BABIP and avoidK which is a lot more robust and resistant to top tier pitching.

There's still a time and a place for POW -- a guy like Brett or Hornsby or FOTF Griffey can still be awesome. But a lot of players with big POW are going to fall short if they don't have some other things going for them.

EDIT: If it isn't clear, the reason I and others like avoidK isn't because we prefer players don't strike out. I don't care how my players get out. But it's an interaction with the engine; avoidK ends up becoming more important to get pass the strikeout check against pitching with big stuff, and you will end up dramatically suppressing the fraction of time you get to put the ball in play if you can't get past that check consistently.