50 cents
The modern presidential dollars are all worth one dollar each.
As of 09/2008 a 1925-S Peace dollar is worth $15 to $23 depending on how much wear it has.
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.
The "W" represents the designers name , A. A. Weinman.
A coin that has been defaced in such a manner has no numismatic value.
It's technically "A W" and is the monogram of A. A. Weinman, the coin's designer.
The "W" you see is the designer's monogram, Adolph Weinman. All Liberty Walking Half dollars have it. Mintmarks for this series of half's are on the reverse to the left of the tip of the rock the eagle is on. 1943 is a common date and most coins are valued at $7.00-$9.00
First, there shouldn't be a "w" on the coin, if there is it isn't part of the official design. Depending greatly on it's condition it would be worth anywhere between $60 and $180 1834 dollars in Uncirculated condition are worth $1,200-2,500
Very common if it's not a crisp note maybe 2 bucks
W on a Walking Liberty half dollar is the designer's initial (A. A. Weinman). The mint mark location is on the back at roughly the 8:00 position - blank, D, or S.
From $8-$20 depends on condition
It's the initial of the coin's designer, A. A. Weinman.