1931 Stoeger/Colt 22 cal. Attachment Brochure,3-1/2" x 6-1/4" tri-fold brochure with 6 pages/panels.One side fully open,the original mailing envelope and the cover of the brochure are shown.The back cover touts the "Advantages of the Stoeger Attachment" and the page not shown pictures a 1911 A1 with the attachment mounted and the leather case offered to carry the attachment on the belt with a price of $1.00.The postmark is "1931". The brochure is in Excellent Condition