Hey there! I've been noticing these marks on quarters quite a bit recently, and I'm really curious about what's causing them. My best guess is that they're created by the ridges of other quarters when they come into contact with each other, perhaps during production or while they're stored in bags. Could these be what we call "bag marks"? I'd love to hear your thoughts on this and whether you've observed similar marks on your coins. Check out the attached picture.
Agree with all above. Imagine those untold millions/billions of freshly minted quarters--every year--being jostled about quite aggressively as they make their way out of the mint and are distributed across the US.
All of the above plus at the mint coins are machine funneled hitting each other as they are being bagged. At least I don't think there are mint employees carefully placing coins in the bags one by one LOL.
I was thinking bag marks, now maybe big bin marks. I wasn't there to witness the difference. Thanks, Doug. Note: Coining Division. Bulk Bag Stand. When filled, this bag will weigh over one ton. I need to locate and add original reference. Will do shortly. Thanks, Doug,
Although they are referred to as 'bag marks', they are caused by a freshly minted coin after being ejected from the coining press, lands from some height onto the pile of other freshly minted coins and hitting a coin in the pile by the edge of a falling coin.
Minor damage that arises from freshly minted coins jingled together in a box or bag is usually of a much more random nature.
Dents in a line such as this only occur with coins that have a milled edge. For coins with no edge milling, there would be only a single dent, that is longer than it is wide,
With the high volume of coin production for circulation coins and the process below at philadelphia mint, you can certainly see many areas where coins contact each other and then dropped into the giant bags. Even after bagging into mint sewn bags they will also be transported and beyond which gives them further opportunity to potentially have contact marks or Reed Marks. Note that other mints producing coins for sets and collectors have a different production method to prevent a lot of that.
It's probably when they are under a ton of other coins in the bins at the mint and the reeding of one coin gets dug into the surface of another coin as they are shifting. Maybe since coins are quite hot when the come out of the hopper, they are softer and more likely to get the Reed Marks as other drop onto them in the Ballistic Bag, whereas in the smaller bags probably more of the contact marks.
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Posted 09/09/2023 8:37 pm
