What role does digital technology, such as NFTs, play in the evolution and perception of sports cards for sports like mixed martial arts (MMA) and auto racing?
How does the grading process affect the value and appeal of sports cards from less popular sports, and are there specific grading companies that specialize in these categories?
What are some of the most sought-after vintage non-mainstream sports cards, such as Olympic athlete cards or early soccer cards, and what makes them valuable to collectors?
How do the values of non-traditional sports cards, such as those from cricket, rugby, or tennis, compare to the traditional sports like baseball and basketball in the current market?
How are sports cards incorporated into cultural memorabilia, such as cards featuring athletes from international leagues or those tied to significant historical sporting events?
