Darren, I just stumbled across this photo of a pair of PA's at Boston's North Station. I don't know the date, but I'd guess the early 70's judging by the clothing, the I-93 bridges in the background, and while the B&M was still running the largest fleet of RDC's in the world (109). North Station and the Boston Garden were torn down and replaced by the Fleet Center starting about 1980.
Yes. I sure wish we could still go to a station, and see such classy passenger equipment. Oh well. Boxcab E50