Just what you are looking for. Same seriously functionble style you may have used in the 70's, but much better leather durability with the addition of the RFD protective material.
Maxpedition BRK π³ MX218F Gear Micro Wallet
68 Review
Credit Card Holder with Chain Cover
70 Review
Crabby Wallet Minimalist Pocket Polyester Men's Accessories in Wallets, Card Cases & Money Organizers
59 Review
π Minimalist & Durable Flowfold Sailcloth Made from Recycled Materials
58 Review