This listing is for a pre-owned Resto by Demeyere William Sonoma 4-Egg Poaching pan.  The bottom reads: 18/10, Gas/Electric/Ceramic/Halogen/Induction.  Excellent pre-owned condition with general wear/tear and scuffs/scratches from age and prior usage.  The pan measures approximately 13.5" long and 7.5" wide.  See pictures for best idea of condition.