Posted By:
identify7I certainly do not know which areas of baseball card specialization are likely to be of general emphasis to card collectors over the long haul. But in other fields of collecting, different types of items become popular for brief periods, while others have staying power.
Some examples of specialization which may or may not have long term interest to card collectors are shown below. Your comments on these and other collecting groups are of interest.
rookie cards
HOFs
ghost images
overprints
autographed cards
error cards, misprints, miscuts, etc.
color variations
grade rarity cards
rare cards
scarce cards