Pick a brand that names its full-grain leather and shows it up close. Check...

https://research-wiki.win/index.php/Best_Leather_Gift_for_a_Guy_Who_Likes_Workwear_Style

Pick a brand that names its full-grain leather and shows it up close. Check seams and edges in clear photos. Read the warranty: what is covered, and for how long? For initials, see if they are pressed, stamped, or etched, and where they go