VINTAGE PYREX BRIGHT YELLOW 2 PC SET MIXING BOWLS  402-- 1  1/2 Quart.- 403 -- 2  1/2 Quart
   Markings on Bottom   402 1 1/3 QT -- TRADE MARK  17  PYREX  R with a circle around it  MADE IN U.S.A.  OVEN WARE 
                  Check pictures for more description.