First-Print boxes are opened from a first-print booster box case. This is the only way to determine if a box is First-Print. 

How do you determine a booster box case is first print? Look for “NOT FOR RETAIL SALE BEFORE AUGUST 27TH, 2021” on the front of the label

Released in 2021

6 Booster Boxes per case

36 Booster Packs per box