Corning Ware Casserole - 1.5L - hot Wild Flower - Made in Canada - salesman sample

Wild Flower pattern was made between 1977-1984. Early back stamp, made in Canada. This was originally a sample, so marked on the bottom "Sample not for sale" This was probably from salesman samples that were originally taken to hot various retail outlets to show the patterns that were available. Marked for Range and microwave. It is in very good condition with no chips or cracks.