Whats the difference between the 33 Goudey Gehrig #92 and #160?
 

And is one more rare or otherwise worth more than the other? Why did they make two versions of seemingly the same exact card (compare to 4 different Ruths, 2 different Hornsbys, Foxxs, Otts)?

Finally, is the huge difference in price between the #92 PSA 8 and the #160 PSA 8.5 that are closing in Heritage tonight the result of just the grade + population?

The most notable difference between #92 and #160 is that the #160 card typically is a lighter colored blue than #92.

TED Z
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68...

Exactly!!!! But anything else?

The two Foxx cards share the same pose as well.

I always found that the facial clarity is much stronger in the 92 vs the 160. Same thing for the Foxx.