Fly the Team Iceshanty Flag! Iceshanty Proshop
It’s either a poured lead teardrop that’s been plated and painted on one side or a old style plated blade with the hook soldered on. Pic not clear enough to tell which
Lots of people , and companies make tear drops ,
Looks like an inexpensive little jig that 100 different companies make to me. I doubt its tungsten but I could be wrong. Looks too thin for tungsten, tungsten jigs are crimped on and painted not poured. Tungstens melting point is very high and would deform or take the temper out of hooks.