The Barber Half Dollar was the only half dollar minted by the US Treasury from 1892 through 1915. This coin was followed by the Walking Liberty Half Dollar.
With the portrait (head) facing the right and the date 1898. It's a Barber coin and can only be a half dollar, quarter or a dime.
Barber halves (as well as Walking Liberty, Franklin, and 1964 JFK halves) weigh 12.5 gm when unworn and are composed of 90% silver, 10% copper.
I couldn't find a good 1908 image but 1909 Barber halves used the same design.
Please check your coin again and post a new, separate question. Walking Liberty halves were minted from 1916 to 1947. A 1914 US half dollar would be a liberty-head design called a "Barber" half, after its designer Charles Barber.
A Barber coin is a nickname given to the dime, quarter dollar and half dollar designed by Charles E. Barber. Each of these coins were first issued in 1892.
There's no 1922 Barber half dollar. The Walking Liberty series began in 1916, and none were struck in 1922 due to low demand.
Silver Eagle, Gold Eagle, Kennedy Half Dollar, Walking Liberty Half Dollar, Washington Quarter, Standing Liberty Quarter, Barber Half Dollar, Barber Quarter Dollar and others from the 18th and 19th centuries.
A U.S. one dollar coin dated 1900 is a Morgan dollar. The Walking Liberty design was first used in 1916 ( to replace the Barber series) on half dollars only.
American Silver Eagle, American Gold Eagle, Kennedy Half Dollar, Washington Quarter Dollar, Standing Liberty Quarter Dollar, Walking Liberty Half Dollar, Barber Half Dollar, Barber Quarter Dollar and the list goes on with examples from the 18th and 19th centuries.
Retail is $12.00-$15.00 for a 1907 Barber half dollar showing heavy wear.
Susan B. Anthony never appeared on the US half dollar coins, only the dollar coins starting in 1979 to 1981 & 1999. The obverse design of your 1902 half dollar is that of "Miss Liberty" and is one of the Barber series (1892-1915) of half dollars. In average circulated condition the coin has a value of $14.00-$30.00
A US half dollar dated 1909 is a Barber half. Most have seen heavy wear and have values of $15.00-$16.00.