That old car smell

I had the pleasure of driving TSBP's little old convertible to work today (due to some moving-related logistics). It had the greatest smell. The smell of that car just brought me back, you know? I know you can buy that "New Car" smell in the form of a little tree to hang off of your rear view mirror, but why don't they sell "Old Car" smell? My New Beatle just doesn't smell old enough.