The Show of all Shows began with a group - breaker evening Tuesday night inside the Donald E. Stephens Convention Center in Rosemont , Ill. .
That 's just one example of how there 's even more action online than ever before for the National Sports Collectors Convention .
The Show of all Shows began with a group - breaker evening Tuesday night inside the Donald E. Stephens Convention Center in Rosemont , Ill. , and that 's just one example of how there 's even more action online than ever before for the National Sports Collectors Convention .