I am guessing very late 1960s or early 1970s, of course still a 'GM Mark of Excellence' product with the "exclusive five year warranty from Frigidaire and General Motors". It's an Imperial DW-IMN model. And it's only $30... though the seller says that water lines need to be checked for a blockage.
https://richmond.craigslist.org/app/d/moseley-vintage-frigidaire-dishwasher/7071593563.html
https://richmond.craigslist.org/app/d/moseley-vintage-frigidaire-dishwasher/7071593563.html




https://richmond.craigslist.org/app/d/moseley-vintage-frigidaire-dishwasher/7071593563.html
https://richmond.craigslist.org/app/d/moseley-vintage-frigidaire-dishwasher/7071593563.html



