By Eric Twardzik If you have even a passing interest in menswear, there’s a good chance you spent the peak-COVID doldrums perusing eBay listings or lurking swap threads on Styleforum. The online community that meets virtually to buy, sell or trade saw its ranks swell as brick-and-mortar retail was forced to close and closets were cleaned from coast-to-coast. As cities hummed back to life, I wondered if that same community might step out into reality like the rest of us. The answer seemed to come via Alfargo’s Marketplace, a self-described “menswear garage sale” that began hosting monthly pop-u…