Celtics radio announcer Sean Grande with one of the best signs you'll ever see

Celtics long-time radio play-by-play man Sean Grande decided to have a little fun during CSNNE's television broadcast of Boston's win in Philly last night.  Grande casually sneaked up behind TV announcers Mike Gorman and Brian Scalabrine, then held up this sign for the cameras promoting his own work:

Thanks to @CMIslesBlog on twitter for sharing this photo.

No word yet on whether Gorman and Scalabrine consider their craft an "art" as well.

Follow Mark Vandeusen on Twitter @LucidSportsFan