Retail value for this coin in MS-60 $125.00 to $150.00.
The mintmark is a "D" not a "P" and it's just a quarter.
a quarter
If your BU is actually a MS-63 coin. Retail value is $30.00
A 1999 P US quarter is worth a book value of $0.30. No one will pay you more than 25 cents for this coin though since they are so common. My advice is to save the D quarters from the state years. These are not as common as a P coin.
No US quarters of that date first year was 1796
Current retail is $8.00 for a F-12
The US didn't use a P mint mark on quarters until 1980. Please take another look. You may need a magnifying glass because mint marks on Standing Liberty quarters are often quite worn.
Circulating state quarters are worth face value only.
This coins has no extra value other than 25 cents.
One dollar. They are worth only face value since they are so common. You can acquire them at your local bank.
from 500 dollars to 100 dollars depending if its p mint mark