Vintage mod style triangular glass bowls.  Anchor Hocking Forest Green glass aka Christmas Green or Emerald these were released at the holidays in the 1950s and 1960s.   Called "bon bon bowls" 

featuring a ribbed liner pattern on the tab edges and a smooth bowl.  Measure 6 inches and are in great condition with no chips, cracks, or rough edges.  They show very minimal signs of use, no dishwasher damage.

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