WOW...awesome ghost embossing on this insulator (upper right above primary embossing). Also has some great straw marks on front which are the dark lines in the photo and a mold mark on threads. The insulator is near mint (unless you consider straw marks to be damage...I don't). The color is light blue (not dark blue like monitor shows) with a couple thin milk threads. Insulator needs to be cleaned. Has not had an alkali bath. Embossing is:

(F-skirt) AM. TEL & TEL Co SB

Heavy ghost embossing on great condition crude insulator should be a buy at $18 plus shipping.