Opening a $5,000 Upper Deck National Mystery Monumental Box !!

Today we open two boxes of 2024 Upper Deck National Sports Convention Monumental Boxes!! What a crazy opening! This stuff has crazy crazy chasers! With big names like Michael Jordan, Tiger Woods, Wayne Gretzky the potential is amazing! Let us know your thoughts on the Monumental Memorabilia boxes! How did we do? Stay tuned for new videos coming out this weekend from the National! View our group break pulls displayed on our instagram :   / gpsportscards   Thanks everyone for watching !