This trio of yellow California baby signals were excavated from the CGI/CGW factory property in May 2019 by one of the construction employees responsible for excavating and grading the redevelopment site in Long Beach, CA.

Look at the bases. Insulator D is the heat altered example and has a flatten, hazy and rough textured base. Insulator B & C, dug from the glass factory property, have the same modified base characteristics. Insulator A, also dug from the glass factory property, has a normal, typical base: slightly rounded in cross section, shiny and smooth in texture.

Next photo [id=614388855]