The 1954-P Roosevelt Dime is a very common date with a mintage of over 114 million. Especially if compared to other key date coins like the 1955-P Roosevelt Dime with a mintage of about 13 million. Or the 1949-S with a mintage of just over 13.5 million.
The 1954-P Roosevelt Dime is common in most grades up to about MS66 condition. In MS67 it is a lot more difficult to come by, especially in MS67 with Full Bands. There are less than 100 examples in MS67 Full Bands making it a very scarce coin in this grade or higher.