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<p>[QUOTE=&quot;Conder101, post: 2632650, member: 66&quot;]Then you haven&#039;t been paying close enough attention, I do mess up sometimes.</p><p><br /></p><p><br /></p><p>Usually a given series will have the dies installed the same way for the whole series or at least for a given year in that series.&nbsp; There are times when the obv/rev, hammer/anvil relationship does change during a series run.&nbsp; It is possibly to tell which way the dies are placed in the press.&nbsp; For the series by looking for misaligned die coins.&nbsp; The anvil die can never be misaligned by more than just a very small amount because it is restrained inside the collar.&nbsp; The hammer die on the other hand can be noticeable (and sometimes far) off.&nbsp; On individual coins you look at the edge of the coin.&nbsp; The collars are typically NOT completely smooth and after striking, when the coin is pushed up out of the collar, any irregularities on the surface of the collar will result in scrape marks on the edge of the coin going in the direction on the side that is the anvil die.&nbsp; On coins with reeded edges this will also often result in little ridges or rolls of metal on the anvil die side along the bottom and edges of the reeds.&nbsp; </p><p><br /></p><p>As to why they would change the positioning, I don&#039;t know, but I would suspect it would be done after a change in the hub or die relief in an attempt to get better filling of the dies.[/QUOTE]</p><p><br /></p>

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