Pick a brand that names full-grain leather, not just leather. Read the warranty...

https://www.bookmarking-fox.win/when-choosing-a-leather-gift-brand-look-for-full-grain-leather-and-neatly

Pick a brand that names full-grain leather, not just leather. Read the warranty to see what it covers, for how long, and how to make a claim. Check how initials are applied - stamped, embossed, or engraved - and where they go