THIS NO 699-J WAS TAKEN DOWN TO THE BARE METAL USING SILICA BEADS. IT W AS THEN THOROUGHLY CLEANED WITH WARM MINERAL  OIL UNTIL NO MORE ARTICULATES  IS OBSERVED THIS LEAVES THE SKILLET WITH  CLEAN PORES. THEN HOT MELTED LARD IS USED FOR SEASONING THIS GOES DEEP INTO THE PORES. IT IS THEN SEASONED AT 526 DEGREES FOR ONE HOUR,THE LID IS not RAISED FOR ANOTHER HOUR WHICH ALLOWS A LONG COOL DOWN MAKEs THE SURFACE  HARDER. THIS SKILLET WEIGHS 2 LB 10 OZ . IT WAS TESTED ON A LEVEL GLASS SURFACE NO SPIN NO WOBBLE.it does have untensel marks.