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<p>[QUOTE="Conder101, post: 654223, member: 66"]I'm at the other extreme. Once you know how coins are made you become surprised that ANY coins (business strike) could get graded 70. Or even 69.</p><p><br /></p><p>In a typical Schuler press the planchet is placed into the coining chamber, the dies come together, the die pushes the coin out of the collar, the feed fingers push the struck coin out of the way, the die retracts and the next planchet is placed in the coining chamber. All of this repeats thirteen times PER SECOND. So those feed finger can't be too gentle pushing that coin out of the way. The coins come out of the press at 750 coins per minute. That is faster than bullets come out of most machine guns. The coins bounce against the guides, slide down a chute and drop down onto previously struck coins. Then more coins fall out of the press and land on THEM. Eventually the coins in this holding hopper are DUMPED into a bigger hopper and once again more coins are dumped on them.</p><p><br /></p><p>Then they go to the riddler. Here the coins spend time all bouncing around together while two layers of steel plate with holes in them sort out the over and undersized pieces. The the coins are run through a high speed counter and dumped into a ballistic bag. These bags are then taken the armor car facilities where the coins are then dumped inthe the counting/rolling machines. Is it any wonder the Unc bank rolls and Mint rolls contain coins that are covered with bag marks. That any coin can go through all that and come out with no marks or almost no marks is a miracle.[/QUOTE]</p><p><br /></p>
[QUOTE="Conder101, post: 654223, member: 66"]I'm at the other extreme. Once you know how coins are made you become surprised that ANY coins (business strike) could get graded 70. Or even 69. In a typical Schuler press the planchet is placed into the coining chamber, the dies come together, the die pushes the coin out of the collar, the feed fingers push the struck coin out of the way, the die retracts and the next planchet is placed in the coining chamber. All of this repeats thirteen times PER SECOND. So those feed finger can't be too gentle pushing that coin out of the way. The coins come out of the press at 750 coins per minute. That is faster than bullets come out of most machine guns. The coins bounce against the guides, slide down a chute and drop down onto previously struck coins. Then more coins fall out of the press and land on THEM. Eventually the coins in this holding hopper are DUMPED into a bigger hopper and once again more coins are dumped on them. Then they go to the riddler. Here the coins spend time all bouncing around together while two layers of steel plate with holes in them sort out the over and undersized pieces. The the coins are run through a high speed counter and dumped into a ballistic bag. These bags are then taken the armor car facilities where the coins are then dumped inthe the counting/rolling machines. Is it any wonder the Unc bank rolls and Mint rolls contain coins that are covered with bag marks. That any coin can go through all that and come out with no marks or almost no marks is a miracle.[/QUOTE]
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