Are there any? Is there some sort of way to tell between an Alnico 5 vs. Alnico 2, Ceramic, whatever with merely a visual inspection? Is there anything stamped on them? Different colors??
Are there any? Is there some sort of way to tell between an Alnico 5 vs. Alnico 2, Ceramic, whatever with merely a visual inspection? Is there anything stamped on them? Different colors??