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LUSTRE GRAY TEST [1 record]

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Filter results by subject field

Alphabetical list of terms

Record 1 1997-01-29

English

Subject field(s)
  • Coins and Bank Notes
  • Numismatics
  • Coining
DEF

A method of detecting the possible absence of lustre on a coin. Tilt the coin in good lighting, and look for minute changes in the appearance of the lustre on both the obverse and the reverse. Especially around the likely points of first wear on the coin. Those areas where the lustre has been damaged or lost will appear a grayish colour against the typical twinkling brilliance of full lustre surrounding it.

OBS

See related term: rub (noun).

French

Domaine(s)
  • Pièces de monnaie et billets de banque
  • Numismatique
  • Monnayage

Spanish

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