PRR Observation Car #97

I was at Honesdale the other day and sitting in the yard was observation car "WELLSBORO" painted and lettered for PRR. I can't seem to find any information on the history of this car. Can someone help me out here?

Thanks,

John

Car is ex-ppcx 800060,ExxDPBX 97 Catherine Boothe,nee B&O

Photo in 2010 by Greg Wiltsie.
http://rrpicturearchives.net/showPictur ... id=2231923" onclick="window.open(this.href);return false;