What Was the First American Craft Beer to Be Sold Commercially in Cans?

Here’s how Tuesday Trivia works: Leave your answers in the comments section below or email them (anonymity guaranteed).

It’s summer and the Tuesday Trivia should be easy. And, given that so much craft beer in the summertime is consumed via cans nowadays, I thought I’d choose a can-related question. (Come on, you know this.)
· The Tuesday Trivia archive [TomAcitelli.com]