these svelte sheaths are about as low tech as you can get, just a single piece of horween shell cordovan, three folds, & viola your cash is secure. billfolds are available in two sizes: small for american dollars ($95) and larger for €, £ and ¥ plus a credit card or two ($120). love! i carry a small hermés leather card holder and this would be great for my cash. available at leffot.