I always wanted my milk in them because it would keep cold! My mom (long time ago) ended up selling them in a yard sale. After my mom passed I would tell my sisters " I wished I had those tin tumblers back". For Christmas one year they gave me a set of six with an ice bucket they had found at...
I got caught at work with a light dusting of snow and had no windshield scraper.
Would you believe I still had a cassette case in the glove box and it worked perfectly!