Over the weekend of Saturday and Sunday, June 10 and 11, Milestone Auctions will open its doors to an arsenal of antique, vintage and other fine weapons set aside specifically for the popular summer edition of its Premier Collectible Firearms Sale. The 1,421-lot auction event, featuring the types and brands of military, civilian and sporting arms hobbyists yearn for, will be held at the companys suburban Cleveland gallery, with all forms of remote bidding welcome, including absentee, phone and live via the Internet. A top prize in the sales opening session is a very fine Winchester Model 1866 Yellow Boy .44-caliber rimfire rifle, which was designed by Oliver Winchester as the continuation to the famed Henry rifle. The auction example, manufactured in 1886, features a gunmetal brass receiver with a full-length octagon barrel and full-length magazine. The barrel has a two-line Winchester address, a German silver sporting blade front sight and an elevation-adjustable rear sight. With a desirable aged mustard patina, this beautiful Yellow Boy earns both its nickname and its pre-sale estimate of $15,000-$25,000. Another exceptional Winchester production is a 1st Model 1876 .45/.75-caliber rifle that was manufactured in 1878 and known as the Centennial Rifle due to its year of introduction. This model rose to prominence as a result of its use by such high-profile Old West figures as gunslinger Tom Horn, who worked as a U.S. scout, interpreter, range detective and early Pinkerton agent. The auction rifle is in exceptionally fine condition with a barrel and magazine that retain 97 percent of their blue finish. Its model number, 1876, is marked on the rear sight. The estimate will be $10,000-$18,500. Many historically important firearms are entered in the two-day June event. Among them is an outstanding Indian Wars Spencer carbine manufactured in 1865-1866 and chambered in a Springfield .50-caliber carbine cartridge. The top of the frame is marked MODEL / 1865 / PATD MARCH 6, 1860 / MANUFD AT PROV., R.I. / BY BURNSIDE RIFLE CO., and it bears all appropriate sub-inspector stamps as well as British proof marks on the breech of the barrel and top of the frame. It will be estimated at $8,000-$10,000. A rare .52-caliber Sharps carbine produced for the Confederacy in 1862 by S.C. Robinson in Richmond, Va., would make a coveted addition to any Civil War collection. This particular model is one of only 5,000 of its type that were produced in total. It carries the serial number 2684 on its barrel and the numbers 2684 and 12388 on the tang and lock, respectively. Strong interest is expected for this lot, which is estimated at $7,500-$12,500. A U.S. Model 1903 Springfield .30-06-caliber rifle is especially noteworthy for its original condition. Milestones experts describe it as having an early high-hump handguard, wide-groove single-bolt stock, and a bold as new JSA cartouche impressed in the block (a style used by Springfield Armory inspector Joseph Adams ca. 1915-16). The barrel is dated 1-16 SA with a pictorial bomb mark. It is almost impossible to find these guns in any condition that havent been altered by the arsenal for various wars, stated Miles King. It will carry an estimate of $4,000-$5,500. A special highlight of the auction is a selection of antique advertising related to firearms and many other products. Highlights include a rare and colorfully pictorial ca. 1909 Winchester pyramid-form hanging sign advertising cartridges and shot shells, est. $5,000-$8,000; a classic 1907 framed Winchester hunting dogs lithograph, est. $1,000-$2,000; a 1920s Carborundum Razor barber die-cut, est. $300-$500; and a 1920s Nicholson Files tri-fold die-cut, est. $500-$750. Interest in the Premier Collectible Firearms auction series grows with each successive edition, said Milestone co-owner Miles King. Gun collectors are very particular about accuracy, which our experts focus on intently when writing catalog descriptions. We also include as many photographic views as possible so relevant parts of each firearm can be visually assessed. Here at Milestone we think like collectors because we are collectors. Were well aware of what remote participants want to know and see before placing a bid, and we make sure to provide it. This sort of transparency adds an important layer of confidence to the bidder experience. Milestones gallery is located at 38198 Willoughby Parkway, Willoughby (suburban Cleveland), Ohio. Start time both days will be 10 a.m. EST. All forms of bidding will be available, including live via the internet through Milestones own bidding platform, LiveAuctioneers, Proxibid, or Invaluable. For additional information on any item in the auction, call 440-527-8060 or email info@milestoneauctions.com. All images courtesy of Milestone Auctions.