When purchasing vintage Lionel or Marx cardboard set boxes, make sure you tell the seller that the box is worth money, not just the trains it holds inside! This is especially true if the auctioneer lacks...
I had (and still have) an excellent coin dealer whom I found trustworthy and fair. He saved me a lot of money on what was for me (at the time) a substantial purchase, Rich operates a real bricks-and mortar ...