1987-88 Marble's and Poly-Choke catalog which measures 8-1/2" x 11" with 18 numbered pages CONTENT: It features Marble's sights(front and rear) on 9 pages with application charts.There is also 4 pages of gun cleaning preparations,a page of accessories and 4 pages of Poly-Choke products.ALSO a 6 page Dealer Price list with Dealer and Retail prices dated "Effective: January 1,1987". Excellent As-New condition