RPPC Pennsylvania Railroad PRR Steam Locomotive 4648 Real Photo Postcard

This vintage real photo postcard (RPPC) shows Pennsylvania Railroad (PRR) steam locomotive #4648 with its coal tender lettered "PENNSYLVANIA," standing on yard tracks beside a coal pile. The image is continuous-tone black and white with no halftone dot pattern under magnification, confirming true photographic RPPC stock. Back: unposted, with a Kodak stamp box. A Kodak-alone stamp box dates the paper to circa 1950 onward, so the card is best dated circa 1950s. Specifications • Type: Real Photo Postcard (RPPC) • Subject: Pennsylvania Railroad Steam Locomotive #4648, tender lettered PENNSYLVANIA • Era: circa 1950s (per Kodak stamp box) • Back: Unposted, Kodak paper • Condition: VG+ Item will be packaged securely and shipped fast. Keywords: railroadiana, steam locomotive, real photo postcard, RPPC, Pennsylvania Railroad, PRR, train photography, locomotive 4648, black and white photo