Whites Surfmaster PI Pro and Whites Surfmaster PI, Minelab Excal NY blue sword. 2 White's Dual field pi, Garrett sea hunter pi II (but don't use it for obvious reasons) 5' x 3 1/2' coil underwater Pi
It looks like it has remnants of gold plating. Might be copper or brass? Not corroded like zinc does. I have found chains and braclets that were some kind of copper alloy with gold plating. Hard to say without sctually looking at it. Maybe stainless steel? But too dark. Maybe silver?
Minelab Manticore, Minelab CTX3030 w 11" and 17" DD coils,
Minelab Excalibur II w 10" coil, Equinox 800 (4) w 11" and 15" coils,
Troy Shadow x2 w 7" coil, Pointers; Garrett Carrot, Pro Find 35,