Movie Opening is the real Local Jersey City newspaper "Jersey Journal. ".
The sporty car Dorothy drives is a 1955 Ford Thunderbird. Ford made 16,155 of these cars that first model year, sixty percent more than they had anticipated. Base price was $2,944 ($34,600 in 2024). An example in just average condition in 2024 could be worth about $50,000 to $60,000 at auction.
By the baseball scores reported in the newspaper used in the opening credits, they are games played on Wednesday 6 July 1955, so the paper would be dated Thursday 7 July 1955.