This has been my wallet for 6 years.
Saddleback Leather Co. Full Grain Leather Thin Sleeve Credit Card Wallet Includes 100 Year Warranty https://www.amazon.com/dp/B003X0G09O/ref=cm_sw_r_cp_apa_tX36BbGHC3F5B
It's here at Amazon, though apparently out of stock: http://www.amazon.com/gp/product/B003X0G09O/ref=wms_ohs_product?ie=UTF8&psc=1
But fear not, you can get it from 'the source' at: http://www.saddlebackleather.com/walletsleeve?sc=8&category=87
$14!