The error dimes came from one die at the Philadelphia Mint, and nobody knows how many exist. Graded strong-strike coins have sold from $110 for an AU-58 in 2021 to $576 for an MS-67 in 2025.
Philadelphia made 519,475,000 regular dimes in 1982, and nearly all have the P. A worn one is worth ten cents.
Denver made 542,713,584 with a D. A worn one is also worth ten cents, but a nearly perfect one is a different story. One graded MS-68 sold for $1,140 in 2018.
