JLS and Leatherwytch just nailed it --- the way to buy leather, with consistent characteristics (Quality), is to personally hand select it...
People put too much faith in the name on the receipt, I have bought good and bad from all sources in the past, that is why all my leather is hand selected by me, or someone from my shop I have trained...
Right or wrong --- I know what I want leather to look, feel (hand), and smell like... (Your Opinion May Vary)