Look for full-grain leather and clear details on how it wears, not just...

https://www.yankee-bookmarkings.win/choose-a-brand-that-names-its-leather-clearly-ideally-full-grain-and-shows

Look for full-grain leather and clear details on how it wears, not just polished photos. Read the warranty to see what's covered and for how long. If adding initials, check whether they're stamped, embossed, or printed, and where they'll appear.