Featured in this lot is this Hawthorne Cutlery Co. advertisement pen knife circa 1890 to 1920 and was interred in the Tombstone Western Heritage Museum; Provenance: From the Tombstone Western Heritage Museum in Tombstone, Arizona. The pen knife features a wonderfully and professionally crafted construction that shows double sided folding knife design with the advertisement on both sides reading as follows: Tavern Talk - K.C. Bill of Fare Press. The hallmark or makers mark is stamped on both blades as follows: Hawthorne Cutlery Co. - Germany. The condition of this pen knife is well preserved with some oxidation to the knife consistent with age but otherwise shows a well preserved overall condition. The measurements fully unfolded is 5 3/4" x 1/2". The collective weight of this knife is 12.7g.