Answer:
The most reasonable estimate for the value of a 1967 US dime is a) $0.10.
Explanation:
The value of a 1967 US dime can vary depending on its condition and other factors. According to CoinTrackers.com, a 1967 Roosevelt Dime in average condition is estimated to be worth 25 cents, while one in mint state could be valued around $7.001. Another source, Rob Paulsen Coin, states that the value of a 1967 no-mintmark dime in average circulated conditions is $0.25, while the melt value is $0.022USA Coin Book estimates the value of a 1967 Roosevelt Dime in uncirculated (MS+) mint condition to be worth $2.33 or more3.
Therefore, the most reasonable estimate for the value of a 1967 US dime is a) $0.10.