Two parallel horizontal grooves, having between them the TELEBAHIA plank, coined in low relief.
Obverse lettering
TELEBAHIA (Translation: Telecommunications of Bahia)
Obverse script
Latin
Reverse description
Horizontal groove in the center, below the name of the manufacturer of these pieces, ie FONTAMAC, and below also the company logo, composed of an inverted isosceles triangle with the letter F in the center.
Reverse lettering
FONTAMAC
F
Reverse script
Latin
Mint
F Indústria Metalúrgica Fontamac,São Paulo, Brazil