2018 Half Dollar Value: P, D, S Mint Marks (Updated 2026)

The site provides a free value calculator, price charts, and a self-checker tool to identify the rare Light Finish error variety on the 2018-S Silver Reverse Proof, noting that softer obverse fields and reduced contrast are key characteristics.

The business offers a step-by-step value checker and a tool that uses pictures rather than guessing at unclear features, allowing users to photograph the front and back with the date, mint mark, and high points visible.

Users can use the free value checker up to a certain limit before needing to continue with the picture-based identification tool, which helps determine if a coin matches the Light Finish characteristics.

The site states that a 2018-D Kennedy half dollar graded MS68 sold for $475 at auction, while the rare Light Finish error on the Silver Reverse Proof commands between $75 and $150 in top grades.

The guide provides value ranges for different conditions, such as heavy wear (G4–VG10) at $0.50, moderate wear (F12–VF35) at $0.50–$1, and no visible circulation wear (MS60–MS67) ranging from $1 to $110.

The website includes a section specifically dedicated to the Light Finish error, explaining how to check the finish by comparing the regular strike with the proof collector coin and noting the softer obverse fields.

The business references a top auction price of $475 for a 2018-D Kennedy half dollar graded MS68 and notes that around 10.9 million P and D circulation strikes exist alongside approximately 200,000 Silver Reverse Proofs.

The site advises users to check the mint mark, finish, and visible wear to find the relevant half-dollar value range, emphasizing that the individual grade values give the table more context.

The guide explains that copper-nickel clad coins can be checked by weight, while proof collector coins should be verified by checking packaging or certification rather than just shining the coin.

The website states that the Light Finish error is found on the 2018-S Silver Reverse Proof from the 50th Anniversary set, and most people have no idea what they are holding.

The site provides a comparison table showing that 2018-P coins range from $0.50 to $1 in moderate wear, while 2018-D coins range from $0.50 to $1 in the same condition.

The business mentions that the 2018-S Silver Proof has a value range of $17 to $92, while the 2018-S Silver Rev. Proof (Light Finish) ranges from $40 to $150+.

The site references a top auction price of $475 for a 2018-D Kennedy half dollar graded MS68, which is a specific fact that helps users understand the potential value of high-grade coins.

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