I love old stuff, but this one appears....uhmm....ergonomically-challenged! Unless that huge "U" loop is designed to have some additional use(s) if you've had a terrible day in the field...?
"MF" = metal finder, or the expletive used after attempting , unsuccessfully , to use this beast ??
bountyhuntergirl86 called it correctly, perhaps, but for $10 I would have had to buy/test it!
I've heard that they are still being made and they will update your old machine for a fee. One of our local 'old timer" Detectorist swears by his. He has had it since the 70s and says it is still one of the best relic detectors. He updates his every few years. Great find!
That's an old one my friend, and in pristine shape. Those were built by Jerry Tyndall in Coats N.C. I use a nautilus DMC 1, or up until this past weekend when it crapped out! Glad mine don't have that type of handle