This ad isn't printed wrong. It's exactly as we intended it. The audience is a few hundred typography and letterpress enthusiasts assembling in Seattle for the internationalTypeCon conference. If you've ever spent five minutes working with handset wood or lead type (as students of SVC's letterpress classes do all the time), you'll get it in an instant.
If I wanted to work for free, I'd choose to be a volunteer not a freelancer. Learn the difference already. If you're a freelance professional, don't settle for not getting paid - if you didn't want to get paid, you'd be a volunteer, not a freelancer!