SP 40-BP-15 Heavyweight Baggage-Postal CarThese are N scale 3D printable files for the Southern Pacific 40 BP 15 Heavyweight Baggage Postal Car a single carbody that tells the story of the Southern Pacific's remarkable tradition of reclassifying and repurposing its heavyweight passenger equipment across decades of service. One model, four distinct identities. Available in four decal variants: 40 BP 15 1 Baggage Postal (SP Lines), 40 BP 15 1 Baggage Postal, 40 B Baggage Express, and Railroad