hello im new in the world of train model, i received a collection of lionel items from my father that i want to sold but i want to know if someone can help me to explain the value of a transformer zw 275w postwar i think everything is original in really great shape it makes a sound like a (hum) ,no cracks,etc.when i plugged it and what mean the stamp on the bottom ZW 18 1
thank you for helping me!!!
thank you for helping me!!!