1943-D: Minted in Denver Mint, value is generally between $19 and $22 in "Good" condition and can reach up to $350 in "Uncirculated" condition.
1943-S: Minted in San Francisco Mint and value varies significantly based on condition. In "Fine" condition, it can be worth around $100, while in "Uncirculated" condition it can reach values between $1,500 and $2,000.
1943-P: Minted in Philadelphia Mint and is extremely rare. It was originally intended for production but then melted and recoined with the "D" mint mark. Any 1943 Walking Liberty half-dollar with the "P" mint mark would have a value in excess of $500,000.
It's important to note that these values can fluctuate depending on market conditions, rarity, and buyer preferences, so it's always advisable to consult with professional numismatists or reputable coin dealers for accurate appraisals.