Very scarce in all grades, R4.4.
David Akers: The 1900-S is one of the unheralded rarities of the Barber Half Dollar series. It actually ranks in the top 20% of the series in terms of overall mint state rarity and Gems are especially elusive, very similar actually to Gems of the 1900-O issue.
Joseph O'Connor, sold privately in 6/2003 - Eugene H. Gardner Collection, Part IV - Heritage 10/2015:98746, $14,100
Dennis Nagy - Dale Friend #2 All-Time PCGS Registry Set of Barber Half Dollars - Heritage 1/2009:3886, $12,650 - Greensboro Collection, Part VI - Heritage 10/2015:3290, $9,987.50
Purchased directly from the San Francisco Mint by John M. Clapp Collection - John H. Clapp Collection, sold intact in 1942 - Louis E. Eliasberg, Sr. Collection - Bowers & Merena 4/1997:2090, $20,900 - John C. Hugon Collection - Heritage 1/2005:4225, $23,000 - Eugene H. Gardner Collection - Heritage 5/2015:98526, $22,325