1975 quarters do not exist. That’s right, there is no U.S. quarter dated 1975. Why not? Because in 1975, the United States Mint was striking the Washington quarter with the 1776-1976 date!
How much are pennies from 1975 worth?
The 1975 penny with no mint mark and the 1975 D penny are each worth around $0.30 in uncirculated condition with an MS 65 grade. The 1975 S proof penny is worth around $3.50 in PR 65 condition.