AUCTION BIDDING OPEN: Bidding ends 1/23. Previously Listed $6.5M. Current High Bid $3.3M. Showings Sat-Sun 1-4 PM and By Appt. Eleven Arches, also known as the Grace Mansion and built for shipping heiress Louise N. Grace, stands as a testament to timeless elegance in Tucson's prestigious Catalina Foothills. This 1936 Josias Joesler masterpiece, meticulously restored over eight years and listed on the National Register of Historic Places, offers an unparalleled living experience across 15,502 square feet for historic grandeur and modern luxury. The main residence, crafted with 24-inch mud adobe walls, features three bedrooms with potential for a fourth, while three versatile guest casitas provide additional accommodations.Light-filled interiors