Q. David Bowers 
A Guide Book of Mercury Dimes, Standing Liberty Quarters, and Liberty Walking Half Dollars 

The Guide Book of Mercury Dimes, Standing Liberty Quarters, and Liberty Walking Half Dollars provides instructions on how to grade your collection, tips on smart buying, retail values in multiple grades (including Proof coins), certified-population data, and an analysis of each date and mintmark. Lavishly illustrated in full color, the book features high-resolution enlargements for important overdates and other die varieties. Mintages, specifications, and other details add to the book’s importance as a standard reference. Colorful essays set the coins in the context of their era. This Guide Book will deepen your appreciation and make you a smarter buyer and collector of these beautiful and historic American coins.