United States Small Size Dollar Coins
"This web site is a comprehensive study of United States small size dollar coins that has been literally years in the making. It is a cumulation of information and collectables gathered over the past two decades. Besides the coins themselves, there are numerous items that help tell this fascinating story, many of them very collectable. Some of these items include autographs of the many people involved (including Susan B. Anthony), patterns and prototypes, biographies of those involved, plus much, much, more."
Small Dollars.com
-----------------------------------------------------------------------------------------
Wide Rim Anthonys
"Years after discovery of two different rim widths on 1979-P Anthony dollars, controversies continued about the varieties.
The original 11-sided "security rim" was intended to distinguish the new-sized coin by its wider segments, as opposed to the even peripheral rims on all other U.S. coins. Making the entire dollar coin 11-sided had been discussed, but planners opted for the smoother roll that a round coin could achieve in a vending machine coin chute. By being given 11 sides within the circle of the coin, the rim grew thinner at each corner of the inner design, widened, then thinned to another point at the next corner.
Sometime during the first year of production, even wider rim segments were chosen for part of the Philadelphia Mint output. Thus we have the Wide Rim subtype, also called "near date," on which the rim extends inward farther, away from the edge, and the Narrow Rim subtype, also called "far date," on which the rim stays close to the edge and farther from the date. The distance between the date and the bust of Anthony stays the same."
Wide Rim Anthonys
------------------------------------------------------------------------------------------