PYREX cereal bowl / sauce dish.  One piece.  White milk glass with green rim around the top of the bowl lip.  Restaurant ware.  It is marked on the back PYREX … MADE IN U.S.A....# 21.  It has minimal wear with one chip on the underside of the lip.  This is normal for restaurant ware pieces.  The bowl has many years left in it.  The restaurant ware dishes were made for rough usage.  The bowl measures 5 1/2 inches wide.  The green line on the top of the bowl is not marred and in vivid colors.