Crack. Read! WHITE 20 x 8.75 BRIGGS B11 7435 4985 toilet tank commode lid
Lid is a Briggs 7435 off of 4985 tank. Minimum 1 hour replacing toilet if no problems. Buying a new cheap toilet gets you a weak toilet, likely needing two flushes. If your toilet is a gem of an older big flush toilet save it while you can.