If your (walking liberty half dollar) coin is dated 1916 (and some 1917 coins) the mintmark is found underneath "In God we Trust" on the front of the coin. All other years the mintmark is found on the reverse of the coin to the left of the branch that the eagle is sitting on. Keep in mind that if your coin has no mintmark, it was minted in Philadelphia. If you have a silver eagle dollar which also uses the walking liberty design, the mintmark will be on the back under the olive branch that the eagle is holding. Bullion silver eagles do not contain mintmarks and could be minted from a number of different mints depending on the year the coin was issued.
The US Mint did not produce any Walking Liberty half dollars in 1932.
Walking Liberty Half Dollars will never have a "W" mintmark. Instead, that is the designer's signature. If your Walking Liberty Half Dollar has a mintmark, it will be on the left side of the coin near the branch that the Eagle is perched upon. 1942 was a common year of Walking Liberty half dollars and they are worth about $12.75 for their silver content, unless the coin is in mint state, in which case the coin might be worth more to a collector.
By the way, this coin should be carrying a "W" mint mark (short for West Point).
The mint mark is located on the eagle side of the coin and is between the word " fine " and the eagle.
Average value is $17.00-$28.00 for a circulated coin depending on the grade.
Walking Liberty halves were struck at 3 different mints over the period 1916-1947 so you'll need to post a new question with the coin's date and whether it has a mint mark. To find the mint mark, look on the back near the 8:00 position. There may be a small S or D, or no letter.
There's no coin called a "walking Liberty head" (after all, heads don't usually walk, LOL!) If you're referring to a Walking Liberty half dollar, they were minted from 1916 to 1947 and values are very different for different years and mint marks. Please post a new question with the coin's specific date for a more specific answer.
Check that coin again, because what you're describing doesn't actually exist. There were no silver dollars minted that year, and the Walking Liberty design (on the half dollar) wasn't introduced for another decade.
A coin in average circulated condition has a retail value of $18.00.
July 28, 2009 A 1939-P [Philadelphia mint] Walking Liberty half dollar in good condition is worth from $9 to $12. If it is a little better than just good condition then it is worth from $13 to $30 depending upon the actual condition of the coin.
There's no official US coin with that description. The Walking Liberty design was used on half dollars from 1916 to 1947 and on 1-ounce bullion coins minted since 1986. Any "1900 Walking Liberty" coin would almost certainly be a privately-made item and would require in-person checking to figure out what it's worth.
That depends on the dates, mint marks (if any) and the condition of each coin. Post a new question with that information