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Message:: [QUOTE="cpm9ball, post: 3972009, member: 24633"]There are three main parts that make up the coining chamber....the anvil die which is usually the reverse image (tails) of the coin....the hammer die which is usually the obverse image (heads) of the coin....and the retaining collar which forms the edge of the coin and keeps the coin metal from flowing out of the intended diameter. For the current denominations of dimes, quarters and half dollars, the retaining collar is reeded and the coin metal flows into and takes this form. For the current denominations of pennies, nickels and small dollar coins, the retaining collar is smooth and the coin metal flows into and takes this form. NOTE: Since all denominations of coins are different diameters, it is impossible for the wrong retaining collar to be used. If the retaining collar was missing during the striking process, all of the struck coins would be larger than the intended diameter. They would be called "broadstrikes" and the edge would be poorly formed. Mikemsg in Post #8 said:"It just looks way to perfect to be post damage it looks like something a machine would do or something." Wrong! Take a close look at Image #225555 in your original post. You can clearly see an unevenness in the edge, ripples as well as reeds. This is indicative of spooning. By the way, Mike, spooning is really not that uncommon. It is used by some craftsmen to make coin rings. Chris[/QUOTE]