Exactly what I was looking for! After a long search for an inexpensive leather business card holder, I finally looked around at Revain and found this gem. Also, there's a gusset at the bottom so it expands and can hold more cards than I expected.
BRASS TACKS Leathercraft Handmade Blocking Men's Accessories and Wallets, Card Cases & Money Organizers
89 Review
Crabby Wallet Minimalist Pocket Polyester Men's Accessories in Wallets, Card Cases & Money Organizers
59 Review
Minimalist Slim Wallet Men Women Men's Accessories for Wallets, Card Cases & Money Organizers
51 Review
Wally Micro Reversible Wallet Pull Tab Men's Accessories and Wallets, Card Cases & Money Organizers
53 Review