PL-2 Identification

[NW Mailing List]

 Is there a way to differentiate between a N&W and PRR PL-2? I picked one up last year, was told it was N&W, but most of the N&W ones I've seen are painted all black, while mine has an aluminum/silver painted body with black hoods. 
Thanks,Brian DembinskiAmherst, Oh
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