Original vintage industrial magazine ad, for ALUMINUM COMPANY OF AMERICA of Pittsburgh, PA.  There's An ALCOA Aluminum distributor Near You.  Alcoa Phillips-head Screws, Alcoa Tubing, Alcoa Screw Machine Stock, Sheet, Plate, Pipe.  Old dated 1948 industry advertisement. 

On the reverse side (see Additional Images tab) is a  fractional page ad for THE AMERICAN ROLLING MILL COMPANY of Middletown, OH.  Armco Stainless Steels.  Help keep steel flowing from the mills by turning in your scrap. Old 1948 metal industry advertisement.

Approximate size  8 x 11 inches.