The "Two Leaves" refers to the clump of leaves beneath the eagle's left and right wings. On some coins, there are two leaves in each clump; on others, three leaves are present. The Two Leaves variety is definitely the more common of these major varieties.
Norman Stacks Collection - Lawrence R. Stack Collection - D. Brent Pogue Collection - Stack’s/Bowers & Sotheby’s 5/2015:1096, $411,250
Harlan P. Smith Collection - S.H. & Henry Chapman 5/1906 - John M. Clapp Collection - John H. Clapp Collection, sold intact in 1942 - Louis E. Eliasberg, Sr. Collection - Bowers & Merena 4/1997:1671, $82,500 - D. Brent Pogue Collection - Stack’s/Bowers & Sotheby’s 5/2015:1097, $199,750
Dr. J. Hewitt Judd Collection - Abe Kosoff, sold privately circa 1962 - L.A. Collection - Stack’s 10/1990:1645, $99,000 - Ed Milas and Richard Burdick, sold privately in 8/1993 - Foxfire Collection (Claude E. Davis, MD), sold privately (as an entire collection) on 10/5/2004 - D. Brent Pogue Collection - Stack’s/Bowers & Sotheby’s 5/2015:1098, $199,750