What does ‘PSA’ mean – Definition – The Sports Card Glossary

PSA stands for Professional Sports Authenticator and they are the largest and most prestigious of the major sports card grading companies. Owned by Collectors, PSA was established in 1991 to…

What does ‘Tmall’ mean – Definition – The Sports Card Glossary

Tmall is a Chinese eCommerce site -- think of it like the Amazon of Asia. But if you've seen Tmall mentioned on basketball cards, it's because Panini produces basketball cards…

What does ‘Pop 1’ mean – Definition – The Sports Card Glossary

In sports cards, Pop 1 is short for "Population of 1". It describes the number of graded examples that exist for that particular card. So, a Pop 1 card is…

What does ‘PC’ mean – Definition – The Sports Card Glossary

In sports cards, PC means 'Personal Collection'. You will often hear card collectors say, "I PC Ken Griffey Jr. and Bo Jackson." But just as commonly, you might hear, "I…

What are ‘Comps’ in Sports Cards – Definition – The Sports Card Glossary

The term comps, short for comparables, refers to using metrics and other factors to determine the valuation of an item. In real estate, comps might be previously sold homes of…

How to Prepare to Attend Your First Card Show

Sports card shows can be a little daunting looking from the outside in. With hundreds of tables, often thousands of strangers, and deals being made all around it can feel…