That would be a 1961 Model Year Cessna 210A, the second model year badged the 210. The FAA shows it as a 1960 because it got its original Airworthiness Cert in 1960.
The engine on the stock 1960 210 or 1961 210A was not a Continental O-470 (Carbureted Opposed - 230hp) but a Continental IO-470...