Numismatic definitions
Like most fields of expertise, numismatics has its own lingo. Find the numismatic definition of a term by entering it in the field below.
Doubled die
This variety is caused by a misalignment or mismatch between the hub and the die which happens during the hubbing process, i.e. when the design on the hub is transferred by die sinking or annealing. This metal working process is used to softened the die and help the impression on it. Double die occurs between the first and subsequent hubbing.
