Additional gauge: 20 sts and 32 rows = 4” in linen stitch

From Knitting with Balls:

In the corporate world, nothing says “professional man” like the classic, black leather wallet and silver business-card holder. But aren’t there days when you’re just ready to break free, stick it to the man, and be a little different? Here’s your chance! The best of both worlds, this wallet and card holder will stand up to everyday use - and sill look good during those stuffy business meetings and “optional” formal dinners.