Pen Bolero to Pimlico, Daily Racing Form, 1959-05-05

1 Pen Bolero to Pimlico PIMLICO, Baltimore, Md.. May 4.— Pen Bolero, the Preakness candidate of Mrs. Ben Cohen, was moved from Laurel to Pimlico over the week end by trainer Eddie Yowell, along with Harold Polks Toluene, winner of the Marguerite Stakes here at , Pimlico last fall. The Hill Prince filly . worked 4 furlongs this morning in :47 handily in preparation for her engagement in the Black-Eyed Susan on Wednes- day. May 13.