What brand of leather wallets is considered the very best?

It depends what you're looking for. If you're looking for a super slim wallet that doesn't break your profile when you wear it in your pockets, then I can heavily recommend http://us.bellroy.com/collections/wallet-range

Yeah, I have to agree with the other comments here. It depends on what you're looking for. I like something that is full grain leather that won't fall apart. Here's a list from LifeHacker of the top 5 wallets: http://lifehacker.com/five-best-wallets-1659048954  Saddleback Leather is #1.

Hello, these comments here are right.  Have you tried checking out Story Leathers Wallets? http://www.storyleather.com/traditional-leatherware/custom-made-leather-wallets.html .  They're all customized to your liking, from leather selection to color selection!

You will get a best brand of leather wallets here in India!! It's the brand "Urby"!! Urby has all the premium quality leather products along with leather slim wallets (called as money clip wallets) for men as well as women. The slim leather wallets are lightweight and very easy to access and carry to keep cards and cash. http://www.gogappa.com/money-clips?q15

Axess Front Wallets uses Tuscany Vegetable tanned leather which is considered the fines vegetable tanned leather in the world. The wallets have smart minimalist designs, are partially RFID-blocking, designed in Sweden. Take a look at the leather quality: www.axesswhttp://www.axesswallets.com