Category: Baseball Cards and Collectibles Introduction: Mark McGwire is one of the most iconic players in baseball history, known for his incredible power and home run records. In this review, we will take a closer look at some of his rarest and most valuable cards from the 1991 Topps set. These cards are highly sought after by collectors and can fetch high prices on the open market. Product #1: 1991 Topps Mark McGwire Baseball Card #270 - Shipped In Protective Display Case This card is in excellent condition, with no major flaws or damage. It comes shipped in a protective display case to ensure its safety during shipping and storage. The card features a clear photo of McGwire on the front, along with his name and statistics on the back. This card would make a great addition to any baseball collection, especially for fans of the Oakland Athletics. Product #2: 1991 Topps #270A Mark McGwire OAKLAND A's ATHLETICS ERROR This card is in near mint condition and features an error on the back, where it says "ATHLETICS" instead of "OAKLAND A'S". This makes it a highly sought after collectible for fans of both the Oakland Athletics and Mark McGwire. The clear photo of McGwire on the front adds to its value and makes it a great addition to any baseball collection. Product #3: 1991 Topps # 399 Mark McGwire Oakland Athletics (Baseball Card) Dean's Cards 8 - NM/MT Athletics This card is in near mint condition, with no major flaws or damage. It features a clear photo of McGwire on the front and his name and statistics on the back. The card also comes with eight additional cards from the same set, making it a great value for collectors looking to expand their collection. This card would make a great addition to any baseball collection, especially for fans of the Oakland Athletics. Product #4: 1991 Topps 270 Mark McGwire NM/M (Near Mint/Mint) This card is in near mint condition and features a clear photo of McGwire on the front, along with his name and statistics on the back. It also comes with a certificate of authenticity from PSA, adding to its value as a collectible item. This card would make a great addition to any baseball collection, especially for fans looking for a rare and valuable piece of memorabilia. Product #5: 1991 Topps #270 Mark McGwire (270A) - Oakland Athletics (Baseball Cards) This card is in near mint condition and features an error on the back, where it says "OAKLAND A'S" instead of "ATHLETICS". This makes it a highly sought after collectible for fans of both the Oakland Athletics and Mark McGwire. The clear photo of McGwire on the front adds to its value and makes it a great addition to any baseball collection. Product #6: 1991 Topps #270 Mark McGwire Oakland Athletics (Baseball Card) Dean's Cards 8 - NM/MT Athletics This card is in near mint condition, with no major flaws or damage. It features a clear photo of McGwire on the front and his name and statistics on the back. The card also comes with eight additional cards from the same set, making it a great value for collectors looking to expand their collection. This card would make a great addition to any baseball collection, especially for fans of the Oakland Athletics. Product #7: Mark McGwire (Baseball Card) 1991 Topps - [Base] #270.3 This card is in near mint condition and features a clear photo of McGwire on the front, along with his name and statistics on the back. It also comes with a certificate of authenticity from PSA, adding to its value as a collectible item. This card would make a great addition to any baseball collection, especially for fans looking for a rare and valuable piece of memorabilia. Product #8: Mark McGwire (Baseball Card) 1991 Topps - [Base] #270.1 This card is in near mint condition and features a clear photo of McGwire on the front, along with his name and statistics on the back. It also comes with a certificate of authenticity from PSA, adding to its value as a collectible item. This card would make a great addition to any baseball collection, especially for fans looking for a rare and valuable piece of memorabilia. Product #9: Mark McGwire (Baseball Card) 1991 Topps - [Base] #270.2 This card is in near mint condition and features a clear photo of McGwire on the front, along with his name and statistics on the back. It also comes with a certificate of authenticity from PSA, adding to its value as a collectible item. This card would make a great addition to any baseball collection, especially for fans looking for a rare and valuable piece of memorabilia. Product #10: Mark McGwire (Baseball Card) 1991 Topps Stadium Club - [Base] #399 This card is in near mint condition and features a clear photo of McGwire on the front, along with his name and statistics on the back. It also comes with a certificate of authenticity from PSA, adding to its value as a collectible item. This card would make a great addition to any baseball collection, especially for fans looking for a rare and valuable piece of memorabilia. Conclusion: Mark McGwire is one of the most iconic players in baseball history, known for his incredible power and home run records. These 1991 Topps cards are highly sought after by collectors and can fetch high prices on the open market.