Vintage Antique PRR Pennsylvania Railroad Train Adlake Padlock online Brass Barrel Key

A very old and online working Pennsylvania RR lock & key. Markings on the key PRR on one side and ADLAKE M1 D341 S on the other side. Lock measures approx. 3" x 4-1/2" and the key 2" long. The weight is approx. 14 ounces. Will ship priority mail. Came from an estate sale.

Thanks for taking a look.