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<p>[QUOTE=&quot;Conder101, post: 2350103, member: 66&quot;]Comes from old terminology.&nbsp; The coin that paddy showed has been call &quot;railroad rims&quot; for decades even though it is on the edge of the coin and not the rim,&nbsp; probably because it looks like the extended rim of the railroad wheel.&nbsp; That is the problem with &quot;names&quot; they can cause confusion.&nbsp; People see &quot;railroad rim&quot; and they look at the rim.&nbsp; And the rim can have a similar appearance, a raised secondary rim. But that is called either finning when it is caused by metal squeezing up between the collar and neck of the die, or a collar clash when it is cased by the portion of the die that forms the rim having hit the edge of the collar.&nbsp; The proper term is a partial collar, which also explains how it occurs, the planchet was only partially in the collar.</p><p><br /></p><p>In the case of this coin the reason the letters are merging into the rim is two fold.&nbsp; One is simple wear, and two the master hub for the cent had seen decades of ue and over time it had broadened from use.&nbsp; As it did so the lettering moved out further and further from the center.&nbsp; The when the die was turned in the lathe to the proper diameter this meant the lettering got closer and closer to the rims. Buy 1968 the L in LIBERTY and the tops of IGWT were often beginning to merge with the rim.&nbsp; In 1969 a brand new master hub was created that reduced the size of the bust, sharpened the details, and moved the inscriptions in closer to the center and away from the rims.&nbsp; If you put a 1968 cent next to a 1969 you will see the changes are rather dramatic.[/QUOTE]</p><p><br /></p>

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