I remember having to pay for them and having several cases left over when the promo was done. I had Chicago Bears glasses out the wazoo, as we gave away several kinds over the years.
RE: #1549 above.... Looks like my '69 4-door Thunderbird Landau is parked at the pumps. That must have been a new car at the time that photo was taken though - gas at 36 cents a gallon. By the time I had bought the Thunderbird around 1975, it was around a buck-twenty, soon to get beyond a buck-fifty.
Imagine how much a mint example would be worth today. One of mankind's most irresistable temptations would be to hotrod it