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<p>[QUOTE=&quot;physics-fan3.14, post: 4903122, member: 19165&quot;]Over the life of the die, the repeated striking of coins tends to wear away at the die. This tends to smooth out sharp details. On an early die state coin with die polish, the polish will be crisp and sharp (as will all other details). A late die state coin starts to look mushy. The die polish, as a fine detail, will actually be worn off the die and no longer appear on later die states. Compare the detail pictures here: the top one is an early die state with lots of die polish, the bottom one is a later die state and shows almost no die polish: </p><p><br /></p><p><img src="http://varietyvista.com/11%20Franklin%20Halves/1951%20Photos/1951PDDR006b%20striker.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /> </p><p><img src="http://varietyvista.com/11%20Franklin%20Halves/1951%20Photos/1951PDDR006c%20clapper.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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