This 1.3 cm wire gold from the world famous Breckenridge Mining District in Colorado has a very attractive curl at the top. It used to be in the Steve Pullman collection and was sold by Dan Weinrich to a friend of mine. You can see a close up photo of the piece on mindat <a href='https://www.mindat.org/photo-371217.html' target='_blank'> here . </a>