#dollar.coin  a US coin worth one dollar; "the dollar coin has never been popular in the United States"
  supertype:  coin  a metal piece (usually a disc) used as money
  subtype:  Susan_B_Anthony_dollar  a US coin worth one dollar
  subtype:  silver_dollar__cartwheel  a dollar made of silver

No statement uses or specializes dollar.coin; click here to add one.