Sarah SammisSometimes the smallest detail can help set the date of a slide. Here's a TV guide on the floor of the Coleman's living room.
And there's a TV cover art archive: https://www.tvguidemagazine.com/archive/suboffer/1970s/1971/19710410_c1.jpg.html
AI6YR Ben@pussreboots The OSINT/geolocation folks do this all the time to figure out where things are and to date photos/videos...
@ai6yr I'm getting pretty good at geolocation too from processing all these different slides.