I think it's the writing too. All-lowercase writing was more common in the 60s and the font[1] is not that common today. [1] https://www.myfonts.com/fonts/cast

I think it's the writing too. All-lowercase writing was more common in the 60s and the font[1] is not that common today. [1] https://www.myfonts.com/fonts/castletype/standard/medium/ https://www.myfonts.com/fonts/castletype/standard/medium/ according to Whatthefont