Thank you all for the advice, I'll give it a try. It is definitely Lionel, even though I agree it looks like MTH. They were made around 2000 and came in a 4-pak and 2 add-on pack. The 2-pack number is 6-39062. I have 5 of the 6 cars, one of the coaches got mixed up in another train, I think, a few seasons ago at the B&O Museum layout.