Priced individually. Vintage Corning Ware Pyrex A-12-C-A Square Glass Dome Lid 10.5" x 10.5". $17. PYREX 8 Inch Square Casserole Clear Glass Lid for Sale in Austin, TX - OfferUp
Amazon.com: Corningware A12C Replacement Glass Lid for Casserole Dishes (Dishes Sold Separately): Corning Skillet Lid: Home & Kitchen
Corning Pyrex Glass Domed Replacement Lid A12C - Ruby Lane
Pyrex Lid A-12-C Lid Fits A-10-B and P-16-B Corning Ware - Etsy