50 State Quarters to form what is known as a "mule". Only sixteen of these specimens, produced on dollar planchets, escaped from the mint. A 2005 Minnesota double die quarter, as well as a 2005 Minnesota quarter with extra trees (another die error), have both triggered numismatic interest. An unusual die break on some 2005 Kansas quarters created a humpback bison. Relatively more common are Kansas quarters bearing the motto "IN GOD WE RUST." The United States produces proof coinage in circulating base metal and, since 1992, in separately sold sets with the dimes, quarters, and half-dollars in silver. For the silver issues,
Fort Winnebago Surgeon's Quarters the surgeon's quarters. Fort Winnebago Surgeon's Quarters The Fort Winnebago Surgeons Quarters is a historic site in Portage, Wisconsin. Located between the Fox River and the Wisconsin River, the site contains two historic buildings: the "surgeon's quarters" and Garrison School. The "surgeon's quarters", built circa 1819 by portage Francs LeRoi and sold to the US Army in 1828 and used as a sutler store and then as a home for the Fort surgeon. Garrison School was built circa 1850 on the former Fort property. Both properties are owned, operated, and maintained by the Wisconsin Society Daughters of the American Revolution,