High grade cards, especially of top-tier HoFers, will continue to separate themselves from the rest of the pack. The 1%.
In post-war cards, high grade examples of Aaron, Mays and Koufax will see nice gains. Mid grade cards will stay flat.
Junk wax will finally break the $3/pound mark (though not by much) and there will be a major TPG announcement - maybe a breakup of the current crop, a new entrant or a new technology (machine learning, AI, computer vision, etc.) being employed.
T205s will close the popularity gap on T206s.
And finally, a Wagner with a Ty Cobb back will be found in grandpappy's attic