Question: what are the most rare quarters?
Answer: Rare Quarters Worth Money. ...  1927-S Full Head Standing Liberty Quarter. ...  Bottom Line: 1927-S Full Head Standing Liberty Quarter. ...  1919-S Full Head Standing Liberty Quarter. ...  Bottom Line: 1919-S Full Head Standing Liberty Quarter. ...  1901-S Barber Quarter. ...  Bottom Line: 1901-S Barber Quarter. ...  1927-S Full Head Standing Liberty Quarter.