This 1950's mechanical pencil is a rare gem for collectors and vintage enthusiasts alike. With a lead diameter of 1.18mm and grade HB, it ensures smooth writing experience. Its features include advertising for Bradley Roofing Co. Roofing, Sidewalls, gutters, conductors, wood shingles. The pencil is made of celluloid, an iconic material used in vintage pens and pencils. The country/region of manufacture is unknown, adding to its mystery and allure. This pencil is a testament to the elegance and sophistication of the bygone era. See Photos.