I purchased a Lionel 2046 3 window engine. The 2043 is heat stamped on one side and rubber stamped on the other side. There are 5 possible sets this engine belongs too, 1473WS, 1475WS, 1505WS, 1507WS and 1509WS. I'm trying to narrow down the specific set this engine came from. Any help? Thank you.
EdA