1965 Double Sided Large Poster Size Standard Oil Pesticides Vintage Ad

This original 1965 magazine ad takes the form of a large double sided 20 x 13" poster.  When in the magazine it would have been a 4 page ad.  The first page is the one with the Standard Oil Man sitting on his line of Farm pesticides with his heating oil truck in the background. The interior pages show the various insects and weeds that the company provided products to counter, and on the back or 4th page you will see the offer of a Standard Oil Application Calculator offered at the time.