#coin  a metal piece (usually a disc) used as money
  supertype:  specie__coinage__mintage__metal_money__metalmoney  coins collectively
  part:  head.obverse  obverse.side  reverse.side  tail.reverse
  subtype:  change.coin  coins of small denomination regarded collectively; "he had a pocketful of change"
  subtype:  bawbee  an old Scottish coin of little value
  subtype:  bezant__bezzant__solidus  a gold coin of the Byzantine Empire; widely circulated in Europe in the Middle Ages
  subtype:  ducat  formerly a gold coin of various European countries
  subtype:  real  an old small silver Spanish coin
  subtype:  piece_of_eight  an old silver Spanish coin; worth 8 reales
  subtype:  shilling  an English coin worth one twentieth of a pound
  subtype:  crown.coin  an English coin worth 5 shillings
  subtype:  half_crown  an English coin worth half a crown
  subtype:  dime  a US coin worth one tenth of a dollar
  subtype:  nickel  a US coin worth one twentieth of a dollar
  subtype:  quarter.coin  a US coin worth one fourth of a dollar; "he fed four quarters into the slot machine"
  subtype:  half_dollar__fifty-cent_piece  a US coin worth half of a dollar
  subtype:  halfpenny__ha'penny  an English coin worth half a penny
  subtype:  penny.coin__cent__centime  a coin worth one-hundredth of the value of the basic unit
     subtype:  copper.penny  a copper penny
     subtype:  new_penny__newpenny  a coin used in Great Britain since 1971 worth one hundredth of a pound
  subtype:  tenpence  (Brit) UK decimal coin worth ten pennies
  subtype:  twopence__tuppence  a former UK silver coin; UK bronze decimal coin worth two pennies
  subtype:  threepence  (Brit) former cupronickel coin of UK equal to three pennies
  subtype:  fourpence__groat  a former English silver coin worth four pennies
  subtype:  fivepence  a five-cent piece
  subtype:  sixpence__tanner  a small British coin worth six pennies; not minted since 1970
  subtype:  eightpence  a coin worth eight pennies
  subtype:  ninepence  a coin worth nine pennies
  subtype:  dollar.coin  a US coin worth one dollar; "the dollar coin has never been popular in the United States"
     subtype:  Susan_B_Anthony_dollar  a US coin worth one dollar
     subtype:  silver_dollar__cartwheel  a dollar made of silver
  subtype:  eagle.coin  a former gold coin in US worth 10 dollars
  subtype:  half_eagle  a former gold coin in US worth 5 dollars
  subtype:  guinea  a former British gold coin worth 21 chillings
  subtype:  farthing  a former British bronze coin worth a quarter of a penny
  subtype:  doubloon  a former Spanish gold coin
  subtype:  louis_d'or__louisd'or  a former French gold coin
  subtype:  medallion.coin  any of various large ancient Greek coins
  subtype:  stater.coin  any of the various silver or gold coins of ancient Greece
  subtype:  sou  a former French coin of low denomination; often used of any small amount of money; "he hasn't a sou to his name"

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