Good Condition: A 1943 mercury head dime in good condition with moderate wear and tear can be worth around $1 to $5.
Very Good Condition: A 1943 mercury head dime in very good condition with minimal signs of wear can be worth around $5 to $10.
Fine condition: A 1943 mercury head dime in fine condition with only light wear can be worth around $10 to $20.
Extremely Fine Condition: A 1943 mercury head dime in extremely fine condition with no visible signs of wear can be worth around $20 to $30.
Uncirculated Condition: A 1943 mercury head dime in uncirculated condition with no signs of wear and original mint luster can be worth significantly more, ranging from $50 to several hundred dollars, depending on its grade and desirability among collectors.
It's important to note that these values are approximate and can vary based on factors such as the overall market demand for the coin, the condition of the coin, and the specific characteristics and rarity of the coin. Consulting with a reputable coin dealer or appraiser can provide a more precise valuation of your specific 1943 mercury head dime with a W mint mark.