This is a 5 page letter from Ruger relating to the Conversion Kit for the "old model" single-action revolver to prevent accidental discharge from a blow to the hammer when over a live cartridge.The first page is titled "Information Sheet-The Ruger "Old Model" conversion kit.The next four pages are under the title "Response To Inquiry About The "Ruger Conversion Kit".Because of the amount of inquiries Ruger was receiving they sent out the 4 pages with 27 topics concerning the conversion and checked those that pertained to the questions asked by the recipient of this response.There are 6 of the topics checked in this letter and an "other" checked with a handwritten response.The letter is dated "4-82-2". Excellent condition with a crease where folded and lower right corner creased