Norfolk Southern SD60I in the west portal of the 3600-foot Allegheny Tunnel in Gallitzin, Pennsylvania, is featured on this TRP Transportation Series Postcard. This is Volume 5 No. 7! Beautiful color photo on front, black and white screened photo on back. 3.5" x 5.5". MINT CONDITION - postally unused. Not currently available in any store. Shipped in clear sleeve for protection. $1 shipping to US addresses. Shipping will be combined on multiple purchases. Thanks for looking!