Help Identifying tunnel/ mountain

I purchased a collection , all American flyer from around 1958 and am having trouble identifying the tunnel/ mountain shown. its in fantastic shape. It is 13" high and about 24" long . I cant seem to see how to attaché pictures. Email me , I will send.

thanks

Brian

It’s probably easier to say what it’s not. Flyer only catalogued one kind of tunnel, which was made in three versions over the years. It’s safe to say it’s not what you have, as their tunnel was only about a foot long and half as high as what you describe.

What is your tunnel made out of? That could be a clue as to wether it’s home-made or not.

Its not home made. Not stamped. I have pics. send me your email. mccloskey6130@roadrunner.com