edge device: any marking, lettering or ornamentation on the edge of a coin.
EF: abbreviation for Extra Fine or Extremely Fine.
Edge device - Letters or emblems on the edge of a coin. An Example would be the vines and bars on Large Cents of 1793 to 1796.
edge device
A group of letters or emblems on the edge of a coin. Examples would be the stars and lettering on the edge of Indian Head eagles and Saint-Gaudens double eagles.
electrotype ...
The edge device, sometimes called a collar die, that surrounds the lower die. Actually open and close collars are both closed collars - as opposed to segmented collars. The close collar imparts reeding or a smooth, plain edge.
Closed collar ...
Close collar
An edge device sometimes called a collar die that surrounds the lower die. The close collar imparts reeding (see Reeded edge) or a smooth, plain edge.
Closed collar
Alternate term for close collar ...
This machine was used until close collar dies were introduced which applied the edge device in the striking process. catalog A printed listing of coins for sale either by auction or private treaty.
collar: A retaining ring die within which the coin dies operate, designed to retard outward metal flow and in most cases, form the edge device.
Sometimes called edge device. See new Presidential US dollar coin series for a modern example. Unusual Letters on the Edge - Presidential Dollars. See coins with lettered edges.
edge lettering - Sometimes referred to as an edge device. Edge lettering is used as one of the US Mint's new technologies to display the coins markings. Among the lineup of coins with edge lettering are the presidential dollars, the 2009 St.
It applies the edge device (reeded edge, plain edge) and prevents the metal of the coin being struck from flowing outside of the confines of the die.
Sometimes called edge device. engraver - an artist who creates a coin's design as a model or sculpture. In earlier days the engraver would actually cut out the design onto the die. edge - the side of the coin.
The edge features 46 raised stars, the last year of issue to have this edge device. Beginning in 1912, newly minted coins had 48 stars on the edge.
Purchased from Julian Leidman, February 16, 1972.
clipping
Deliberate shearing or shaving from the edge of gold and silver coins. Was quite common from the Byzantine to the Colonial eras, so much so that many authorities employed edge devices in order to discourage this practice.
The edge design includes such elements as the reeds, words, symbols or other edge devices. Even the flat, smooth finishes on the edges of coins like cents and nickels are considered to be "edge designs" imparted by the collar die.
 See also: Coin, Numismatic, Dollar, Struck, Planchet
  
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