#obverse.side  the side of a coin or medal bearing the principal stamp or design
  exclusion:  #reverse.side
  supertype:  #object_side__side  an extended outer surface of an object; "he turned the box over to examine the bottom side"; "they painted all four sides of the house"
  subtype:  #head.obverse  (usually plural) an obverse side of a coin that bears the representation of a person's head; "call heads or tails!"
  part of:  #coin  a metal piece (usually a disc) used as money

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