Debby Ryan Leaks Original Creator Submissions #907

And for many people it’s pretty hard to tell the difference between machine doubling and doubled die coins A lot of folks have sent me photos of their coins they think (no, are convinced!) are doubled dies Machine doubling posted on 1/10/2017 the distinction between genuine die doubling and mechanical doubling can be subtle, but they can easily be differentiated with just a loupe and a bit of knowledge. On the designer's initials we see strong doubling that looks just like a doubled die, however, the designer's initials are incuse so this is also mechanical doubling. The distinction between genuine die doubling and mechanical doubling can be subtle, but they can easily be differentiated with just a loupe and a bit of knowledge One of the more common questions that ngc customer service receives is regarding the difference between a doubled die and machine doubling. The doubled dies should show doubling on more than one letter, number or devices These working dies were made of steel, so the images of where the doubled dies show up, will never move locations The doubled dies are simply one image pressed almost on top of another. These tend to be flat and shallower than the primary. One of the more common questions that ngc customer service receives is regarding the difference between a doubled die and machine doubling This distinction is very important, because a doubled die variety may be worth a large. In die doubling, the secondary image is rounded and looks similar to the primary image A tell tale sign of machine doubling is when the mintmark and date show the same doubling I see machine doubled coins sold on ebay almost every day Machine doubling (also machine damage doubling, or strike doubling) The correct numismatic terminology is doubled die. Doubled die varieties occur when the working die is made The working die is struck twice by the master die (really a double squeeze) So that when there is a doubling on the working die (hence the name doubled die variety) that doubling gets transferred to every coin struck by that working die. One very big difference between a doubled die and a machine doubling is the number of coins affected A doubled die error would affect hundred of thousands to millions of coins creating essentially identical coins.