And it was missing the S mint mark for San Francisco, where all proof coins are made. It looked like a 1975 dime minted in Philadelphia, which didn’t use mint marks on dimes until 1981.
I’ve “kite fished” before. I tied a kite to my carp rod, which had 17# test low-visibility green monofilament line. It was like fighting a 20-pound lunker, 300 feet above you!
Wiley bears aren’t a good thing there!