April,1965 "The Winchester Proof" Newsletter, 6-7/8" x 10" as shown and when fully open are 6-7/8" x 19-7/8" with 2 pages CONTENT: The Winchester Proof was edited by the Winchester News Bureau and provided to magazines,editors and writers with information on Winchester firearms and related topics.The upper half of the first page is shown.The bottom of the first page of each has a statement regarding reprinting the info.This issue is Volume 9,Number 4 and has 10 topics.Two of the other topics are "New Plastic Target Load...The Double A" & "Deer Shooting Shotguns" slug barrels for the 1200 and 1400 models.The date it was received by the Editor is stamped on the top of the first page. Excellent condition with the lower left corner folded/creased