Welcome to the "Twilight Zone"!  Wild catch, Doug!  Recall seeming similar with the introduction of the ACS-64's, but seeing an Amtrak AEM-7 sharing the stage with a Reading liveried "Blueliner" much more bizarre than an Amtrak liveried ACS-64 sharing the stage with SEPTA Silverliners.  Lansdale no less - no doubt in preparation for the Scranton to Philly runs, lol. 
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Two classics, side-by-side.
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