It’s probably been like that for 70 years, they would convert them, I’ve seen a lot of old b&w photos like that
here’s an example
https://www.google.com/amp/s/www.hemmings.com/stories/2019/12/12/hemmings-find-of-the-day-1928-ford-model-a-2-door-snowmobile/amp
http://www.modeltfordsnowmobile.com/lcmainhistoricalimages.htm