These glasses may be as old as the early 1960s.
Here is my fifth grade class picture from Thousand Oaks School in Berkeley, California in 1965. The glasses may be the ones in the first picture, but these appear to be slightly more rectangular.
My old glasses, probably from the 1970s.
My old glasses from 2012 after I became extremely angry. I was angry because one of the very thick and heavy lenses fell out onto the stone flooring around the front door of my house and shattered.