Working Dies
Dies taken from the master dies (hubs) and used in a coin press to actually stamp the coins. They are discarded and replaced as they wear out or break. See also die.
Working Hubs ...
The overdated Working Dies were re-processed by grinding down and polishing away as much of the overdate as was possible. Each die was identified, and re-worked to remove traces of the underlying "3" in the last numeral of the date.
Variations in working dies most frequently arise when some minor feature such as a mint mark is added by hand rather than go through the trouble of producing a (derivative) master die.
master die A metal punch used to produce "working hubs," which are then used to produce working dies. See also die and hub. master hub A metal punch used to produce master dies. See also hub and master die. Matte Proof Especially U.S.
The Master Die is then used to form as many Working Hubs as needed through the same process, and then the Working Hubs are put through the same process to form the Working Dies. These Working Dies are the actual dies which will strike coins.
master die: A cylindrical punch with an impression of a coin's design used to strike the working dies of a coin
matte proof: A type of proof strike that has a sandblasted appearance as opposed to a typical mirror finish ...
The master punch is used to produce a number of working dies which are the actual dies used to strike the Coins. The tremendous pressure applied to strike a coin means that the working die will wear off after a certain number of strikes.
The 1933/2 penny and the 1934/3 threepence comprise just a fraction of the total mintages for the year but enough to suggest that one or more overdate working dies were produced and used to make coins during those years.
Working hubs are used to make working dies which are used for minting coins.
Again, another area where doubled dies can occur. Depending where in this process doubled dies are created will affect the amount of coins struck from the die or dies.
Although extensive die preparation comments are beyond the scope of the present catalogue, to continue for a moment the commentary under Lot 780, we note that at San Francisco the working dies were very nicely finished, ...
During the process of preparing the working dies that were to be used for striking one cent coins, an error occurred. Working dies are made from steel blanks that receive several impressions from a master die (or hub as it is called).
Voigt imparted the chain to both working dies by repeated hand punching of a single link element.
Due to a phenomenon known as work hardening, (which causes the metal of the face of a die to become too hard and brittle to allow a complete image to be sunk into a die in one operation), several hubbings are required to produce working dies ...
The working hubs are then used to make working dies. With each step, the number goes up. The working dies are then used to strike coins. All dies are incuse, and all hubs look like the coin being struck (with the devices raised.) ...
He also directed him to complete hubs from which working dies could be made in case the need for half cents returned. Gobrecht used the same Braided Hair design he had used on his cent of 1839.
Working Hub - Also called a hub. The working hub is made from a master die and is used to make working dies.
Working Die - A die that is made from a working hub. Working dies are the dies which produce the actual coins.
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a special extremely high-pressure "squeezing" process which employs tremendous hydraulic force, to create the numerous Working Hubs (commonly called simply hubs.) Then, from the tens of thousands of Working Hubs, the mint creates the Working Dies, ...
Piece of steel with a design on it used to make working dies; will be either incuse or in relief opposite the working dies and the same as subsequent coins.
HUB VARIETY ...
Double Struck - Said of any coin which has received two impressions from the working dies in accidentally imperfect alignment.
Double Die - A die that received one of its several blows from a hub or device punch in accidentally imperfect alignment.
hub
A right-reading, positive punch used to impress wrong-reading working dies.
Coin Collecting Terms beginning with (I)
inaugural medal
A medal issued by the official inaugural committee commemorating the inauguration of a U.S. president.
A hub created from a master die and used to create the many working dies required for coinage.
World Coins
Term applied to coins from countries other than the United States.
hub: A right-reading, positive punch used to impress wrong-reading working dies.
[edit] I
inaugural medal: A medal issued by the official inaugural committee commemorating the inauguration of a U.S. president.
WORKING HUB The hub used for making working dies.
Table of Contents
Organizations ...
A hub used to create the working dies.
worn die
A die that has lost its' detail from extended use.
Working Hub
This is also called a hub. It ismade from a master die and is used to make working dies.
Working Die
This is a die that is made from a working hub. These are the dies which produce the actual coins.
C. Hardened Steel For Dies The materials used in hardened steel for dies and/or improperly annealed dies often caused breakage of the working dies during production and resulted in die cracks and cuds.
D. Planchet Size Uneven thickness of planchets.
Hub
Working hubs are produced from the master DIES. The working hubs are then used to make many working dies. Hubs are never used for the actual minting or striking coins as they have a raised image.
Bowers believes it to be a legitimate variety. "It looks like it was done deliberately by someone who had access to two working dies at Denver," he explained.
Frosted Surfaces
A white texture produced on the surface of a coin during the minting process. It is usually most prevalent on the earliest coins off the working DIES. See also; LUSTER ...
A hub created from a master die that is used to create the working dies.
World Coins
Coins from countries other than the United States.
Still later, the date was included in the master die, and all working dies were stamped with all information on them -including the date, design, and lettering. That is the way dies are produced today.
The $1 Panama Pacific trial piece was struck in silver at the Philadelphia mint at some unnamed date in the spring of 1915, before the working dies went to San Francisco.
Whizzing
This is the process of trying to make a coin appear to be a higher grade by polishing it.
Working Hub
This is also called a hub. It ismade from a master die and is used to make working dies.
Working from sketches made by Titian Peale and Thomas Sully, Gobrecht fashioned a majestic image of Liberty, and in 1836 his Seated Liberty design was first used on silver dollars, the quasi-pattern "Gobrecht" issues. By the next year, working dies ...
From these, the final working dies that strike the coins are obtained.
working hub A hub created from a master die and used to create the many working dies required for coinage. World Coins Term applied to coins from countries other than the United States. worn die A die that has lost detail from extended use.
 See also: Working die, Coin, Struck, Mint, Revers
  
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