Listed is a nice CD 120 embossed H. Brookes Pat. with B above, (Back) Aug 14 1893, in the Homer Brookes blue. Insulator has some damage, a flat base flake 1/2" does not show when displayed, also has a top wire groove chip 1/2" on left side and some little nibbles around wire grooves. Displays perfect. Book lists up to $125, asking $85 plus shipping. Insulator is better than described. Thanks for looking.