Pick a brand that names its full-grain leather, not just “genuine leather.”...

https://www.bestbookmarks.win/choose-a-brand-that-clearly-names-its-leather-full-grain-leather-is-a-solid

Pick a brand that names its full-grain leather, not just “genuine leather.” Read the warranty before you buy, and check how initials are applied: stamped, embossed, or added in ink