question about 1956 Topps baseball set

I understand that for cards #101-180 in the 1956 Topps baseball set, the white backs are considerably scarcer/more valuable than the grey backs.
I have the set and am considering selling the desirable white backs that I have from that series and replacing them with the grey backs.
Which white backs are particularly scarce/valuable? Any thoughts or advice?
Always looking for Mantle cards such as Stahl Meyer, 1954 Dan Dee, 1959 Bazooka, 1960 Post, 1952 Star Cal Decal, 1952 Tip Top Bread Labels, 1953-54 Briggs Meat, and other Topps, Bowman, and oddball Mantles.
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Comments
I suspect the answer would also in part be predicated on condition/grade/TPG Co slab
Experience the World through Numismatics...it's more than you can imagine.
If you check out the PSA Population Report, you will see just how comparatively rare the white backs are to their grey back counterparts. The only 2 PSA 10s ever graded from this series of cards are both Mantles. I counted approximately a dozen or so various examples graded PSA 9. Then the numbers fill out from PSA 8 on down. By minimal comparative percentages, they're all scarce. If you have any Near Mint or better, I'd guess you'll get some very good results by selling.
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the Mantles bring a little more, but Mays, not so much. No idea why. Huge discrepancy in the pop reports for both.