You are bidding on a single VINTAGE BANISTER LOGO GOLF BALL.  BANISTER is a CANADIAN PIPELINE COMPANY.  The ball is a SPALDING ERA-1.  The ball is used but displays nicely.  EXCELLENT COLLECTIBLE GOLF BALL.  Check the pictures.  They are considered part of the description.  Please contact me with any questions.  Please check out my other golf auctions.  I will be glad to combine shipping.