1829 Capped Bust Dime, JR-12. Image: Stack’s Bowers / CoinWeek. By Charles Morgan and Hubert Walker for CoinWeek Notes ….. William Kneass became Chief Engraver of the United States Mint in 1823 after the death of Robert Scot. Tasked with improving U.S coin designs, the 43-year-old Kneass installed new coin presses that used close collar […]