Why are 1998 dollar coins worth more then 1997 dollar coins?

1998 dollar coins may be worth more than 1997 dollar coins due to factors such as mintage numbers, rarity, and collector demand. If fewer 1998 coins were minted compared to 1997 coins, the 1998 coins may be more valuable. Additionally, if there is a higher demand for 1998 coins among collectors, their value could increase. Other factors such as the condition of the coins and any historical significance may also contribute to differences in value.