I have been detecting for 35 plus-minus years and have yet to find a gold coin. I have found an 18K gold ring minus diamonds and 1/3 to 1/2 carrat diamond ears studs. Maybe not too many gold coins in Ontario? I have a Garrett Euro ACE 350. My first DD coil. I don't like it too much because it goes too deep and it is hard for me to pinpoint. I do not run sensitivity more than 3 or 4. I am used to using concentric coils. Does this make me eccentric?