Pick a brand that names its leather. Full-grain leather wears in well, but...

https://alexissimpressivenews.urbanvellum.com/posts/how-do-finished-edges-on-a-wallet-affect-durability

Pick a brand that names its leather. Full-grain leather wears in well, but check the edge finish, too. Read the warranty before you buy. Adding initials? Check if they’re stamped, engraved, or printed, and where they’ll sit.