Vintage CorningWare Bake Dish Pan 3 quart A-10-B

3 Quart, roughly...,Nice shape,, no cracks, no chips,, great color/Graphics....light wear signs of wear only Measure 10 1/4 x 12 x 2 1/4.....i t hink stamp says ( A-10-B) but not positiver on that,,,very hard to see