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What does EF stand for?

EF stands for Extremely Fine (numismatics; 7th best condition of coin)

This definition appears very rarely and is found in the following Acronym Finder categories:

  • Slang/chat, popular culture

See other meanings of EF

Other Resources:
We have 36 other definitions for EF in our Acronym Attic

Samples in periodicals archive:

Not only is he an extremely fine specimen - witness, Lord of the Rings - and an extremely fine actor - witness, Eastern Promises - but he has a brand new film, The Road, out this week.
These were extremely fine men and ITN is an extremely fine organisation,' he said on the fifth day of the inquest into Mr Lloyd's death near Basra on March 22 2003.
Under these conditions, the application of heat causes the Inconel to become an extremely fine mist that adheres to the glass surfaces.
Making use of special rollers that cold work the metal surface, the Sugino line of Superoll burnishing tools can burnish the inside or outside diameters of any bored, reamed, or turned workpiece to produce an extremely fine, wear-resistant finish down to 4 microinch or less.
Say what you like about United but this must rank as the best of their five triumphs in the 1990s, the Reds having seen off the challenge of two extremely fine sides in Arsenal and Chelsea.