1979 Coonan Arms Mailer,8-1/2" x 11" with 3 printed pages.The front page of 2 sheets are shown.the top piece is printed on the opposite side.It has complete specs and a detailed description of the magazine and operation of the Coonan .357.The bottom image is a letter offering the Coonan .357 at a "Pre-Manufacture" discounted price of $350.00(listed retail was $450.00).The offer was good until "December 20,1979" with a delivery date of "June 1.1980".This is the earliest piece of Coonan adv. I have seen to date.The address on the mailers is a house in St.Paul,Mn which fits the early history of Coonan. Excellent condition with darkening from age on the edges